Rounding the mountain road more than five hundred meters up the southwestern flank of Mount Parnassus in the region of Phocis, Central Greece, travelers are confronted by a sheer limestone precipice split into two gleaming vertical walls: the twin cliffs of the Phaedriades (the Shining Rocks, comprising Nauplia to the west and Hyampeia to the east). Directly beneath these towering crags, the mountainside plunges into the deep gorge of the Pleistos River carpeted with a silver-green sea of over a million ancient olive trees stretching down to the Gulf of Itea and the Gulf of Corinth. Wedged into this dramatic natural amphitheater between cliff and chasm rise the retaining walls, marble treasuries, and six weathered Doric columns of the Sanctuary of Apollo at Delphi (Hieron tou Apollonos).
For more than a thousand years between the eighth century BCE and the fourth century CE, Delphi stood above the rivalries of individual Greek city-states as the shared spiritual conscience of the Mediterranean world, fulfilling a unifying civic and ancestral role comparable to the traditions of ancestor and founder veneration in East Asia. According to Greek sacred myth, when Zeus released two eagles from the eastern and western ends of the cosmos to find the center of the Earth, their flight paths met directly over Delphi, establishing the sanctuary as the Omphalos, the Navel of the World. Before founding overseas colonies, ratifying constitutions, or marching into war, kings, lawmakers, and philosophers from Athens, Sparta, Corinth, Lydia, and Rome climbed the Sacred Way after purifying themselves in the Castalian Spring to seek the counsel of the god through his voice: the priestess Pythia.
IApollo Pythios, the Omphalos Navel Stone, the Delphic Maxims, and the Oracular Rites of the Pythia
According to the Homeric Hymn to Apollo (composed in the seventh or sixth century BCE) and the opening prologue of Aeschylus's tragedy Eumenides, long before the arrival of Apollo the rocky cleft of Delphi (known in earliest times as Pytho) belonged to the primordial Earth Mother Gaia and her daughter, the Titaness of divine law Themis. Guarding the prophetic chasm of Mother Earth was the great serpent or dragon Python (or the female dragoness Delphyne). Soon after his birth at the Sacred Island of Delos, Apollo, Olympiad god of light, music, harmony, and prophetic truth, journeyed to Mount Parnassus and slew the serpent Python with his golden arrows, claiming the sanctuary and assuming the cultic title Apollo Pythios while his priestess took the name Pythia.
Yet Greek myth insisted that even a god had to atone for shedding blood connected to the ancient powers of the Earth: Apollo spent eight years of ritual exile and purification in the Vale of Tempe in Thessaly before returning to Delphi crowned with sacred laurel. Furthermore, Delphic religion honored a profound seasonal balance between two complementary forces of human nature: Apollo presided over the sanctuary during the nine sunlit months from spring through autumn, but during the three dark winter months when Apollo was believed to depart for the northern land of the Hyperboreans, the temple of Delphi passed into the care of his half-brother Dionysus, god of the vine, ecstatic renewal, and mystery, whose symbolic tomb rested inside Apollo's own inner sanctuary while female Thyiades danced by torchlight on the snow-covered heights of Parnassus.
Whereas the mystery cults of Eleusis addressed the fate of the soul after death, the theological and ethical teaching of the Sanctuary of Apollo at Delphi focused squarely on human self-knowledge, moderation, and cosmic order in the present life. Inscribed prominently upon the entrance columns of the forecourt (pronaos) of the Temple of Apollo were the celebrated aphorisms attributed to the Seven Sages of Greece (including Solon of Athens, Thales of Miletus, and Chilon of Sparta). Foremost among these were three maxims that defined classical Greek wisdom: Gnothi Seauton (Know Thyself, calling every mortal to recognize human finitude before the immortal gods), Meden Agan (Nothing in Excess, warning against the arrogance of hybris that brings ruin), and Eggya para d'ata (Make a pledge and mischief is nigh).
In the fifth century BCE, the Athenian philosopher Socrates famously traced his entire philosophical mission to a pronouncement of the Delphic Oracle. As recounted in Plato's Apology, when Socrates's friend Chaerephon traveled to Delphi to ask whether anyone was wiser than Socrates, the Pythia replied that no one was wiser. Examining why the god could have spoken thus, Socrates concluded that true human wisdom begins with the humble awareness of one's own ignorance before divine truth.
Firsthand treatises written by the philosopher and biographer Plutarch (circa 46 to 120 CE, who served for more than two decades as one of the two senior priests of Apollo at Delphi), corroborated by Strabo, Diodorus Siculus, and Pausanias, preserve an exact record of how the Delphic Oracle functioned. The Pythia was originally chosen from among young virgin maidens of Delphi, but after a late-classical incident the priesthood appointed only mature women over the age of fifty of blameless character, drawn from either noble or peasant families of the region, who lived in strict celibacy and ritual purity for the remainder of their lives. At the height of the sanctuary's fame, two primary Pythias served alternately alongside a third reserve priestess to handle the immense volume of embassies and private inquirers.
Consultations took place on the seventh day of each lunar month during the nine warm months of the year. Before approaching the temple, the Pythia, the male priests (Hosioi and Prophetai), and the suppliants washed in the icy waters of the Castalian Spring emerging between the Phaedriades cliffs. To verify whether Apollo was willing to speak that day, the priests sprinkled cold spring water over a sacrificial goat: only if the goat trembled from its hooves upward, signifying the god's indwelling presence, could the consultation proceed. After the sacrifice on the Great Altar outside, the Pythia drank from the underground Kassotis spring, chewed sacred laurel leaves (daphne), and descended into the sunken western chamber of the temple known as the Adyton (the Place Not to Be Entered). There, beside the carved Omphalos stone draped in a knotted woolen net (agrenon), a golden statue of Apollo, and an eternal pine-wood flame, the Pythia took her seat upon a tall bronze tripod positioned over a fissure in the bedrock, inhaled rising sweet-smelling vapors (pneuma), and uttered her responses, which the attending priests shaped into hexameter verse or prose.
For nearly a century after the early French excavations of the 1890s failed to uncover a yawning volcanic cavern beneath the temple floor, many twentieth-century textbooks dismissed the ancient accounts of a chasm and rising vapors (pneuma) in Plutarch and Strabo as pure literary myth. Between 1996 and 2001, however, an interdisciplinary investigation led by geologist Jelle Zeilinga de Boer, archaeologist John R. Hale, and toxicologist Henry Spiller mapped the tectonic structure beneath the sanctuary and analyzed travertine mineral deposits from the temple foundations and local springs. Their findings vindicated the classical historians: directly beneath the sunken Adyton of the Temple of Apollo intersect two active geological faults, the east-west Delphi fault and the north-northwest Kerna fault, cutting through subterranean layers of bituminous limestone containing up to twenty percent petrochemical hydrocarbons. Friction along these intersecting faults heated the bituminous rock, releasing light hydrocarbon gases, including methane, ethane, and sweet-smelling ethylene (an anesthetic gas capable of inducing mild euphoria and altered states of consciousness), which rose with the spring waters into the enclosed chamber of the Adyton.
IIOver a Millennium from the Amphictyonic League to the Edict of Emperor Theodosius I
Archaeological strata on the slopes of Delphi attest to Mycenaean settlement and cult figurines as early as the fourteenth to eleventh centuries BCE. By the eighth century BCE, the authority of Apollo's oracle had spread across the Greek world, guiding the great wave of colonization that planted Greek cities in Southern Italy, Sicily, North Africa, and the Black Sea coast. To safeguard the neutrality and vast wealth of the sanctuary from local appropriation, a religious confederation of twelve ancient Greek tribes known as the Amphictyonic League (the League of Neighbors, meeting alternately at Thermopylae and Delphi) assumed collective guardianship over the sacred precinct and the Pythian Games.
Ancient Greek tradition recorded by Pausanias (Description of Greece, Book X) recounted that three mythical temples preceded the historical stone sanctuaries at Delphi: the first woven from laurel branches brought from the Vale of Tempe, the second fashioned by bees from wax and feathers, and the third forged of bronze by Hephaestus. The fourth temple, the first historical stone sanctuary built in the seventh century BCE by the legendary architects Trophonios and Agamedes, burned down in a catastrophic fire in 548 BCE, prompting two successive pan-Mediterranean rebuilding campaigns.
- 8th to 7th century BCERise of the Panhellenic Oracle and construction of the fourth (first stone) templeDelphi becomes the supreme arbiter of Greek overseas colonization; architects Trophonios and Agamedes erect the archaic stone temple of Apollo in the seventh century BCE.
- 595 to 586 BCE and 582 BCEFirst Sacred War and reorganization of the Panhellenic Pythian GamesThe Amphictyonic League defeats the port town of Kirrha for taxing pilgrims and in 582 BCE reorganizes the Pythian Games as a quadrennial festival of musical and athletic competitions.
- 548 to circa 510 BCEFire of 548 BCE and the fifth temple built by the Alcmaeonidae of AthensAfter fire destroys the archaic temple in 548 BCE, the exiled Athenian noble family of the Alcmaeonidae contracts to rebuild the fifth temple, magnificently upgrading its eastern facade to gleaming Parian marble.
- 490 and 480 to 479 BCEDedication of the Athenian Treasury and the Serpent Column of PlataeaFollowing the victories over Persia at Marathon (490 BCE), Salamis, and Plataea (480 to 479 BCE), Greek city-states erect the marble Athenian Treasury and cast the bronze Serpent Column from Persian spoils before Apollo's temple.
- 373 to 330 BCEEarthquake of 373 BCE and construction of the sixth (surviving) Temple of ApolloA devastating earthquake and rockslide from the Phaedriades cliffs destroy the fifth temple in 373 BCE; architects Spintharos of Corinth, Xenodoros, and Agathon build the sixth Doric temple whose ruins stand today, completed in 330 BCE.
- 279 BCERepulse of the Gallic invasion under Brennus and founding of the Soteria festivalCeltic forces led by Brennus march on Delphi to plunder its treasuries but are driven back amid a fierce snowstorm and rockfall, commemorated by the annual Soteria thanksgiving festival.
- 1st century BCE to 2nd century CERoman patronage under Emperors Domitian and Hadrian and High Priest PlutarchDespite earlier requisitions under Sulla and Nero, Delphi experiences a cultural renaissance in the late first and early second centuries CE under Emperors Domitian and Hadrian while the philosopher Plutarch serves as senior priest.
- 390 to 392 CE and 1892 to 1987Closure under Emperor Theodosius I, French Grande Fouille, and UNESCO inscriptionChristian Roman Emperor Theodosius I issues edicts closing pagan temples and silencing the oracle between 390 and 392 CE. In 1892 the French School at Athens begins the Great Excavation after relocating the village of Kastri, and in 1987 UNESCO inscribes Delphi as a World Heritage Site.
Oracles that shaped ancient history and the final lament to Emperor Julian. In his Histories (Books I and VII), Herodotus immortalized two consultations at Delphi that altered the course of Mediterranean civilization. In the mid-sixth century BCE, King Croesus of Lydia lavished massive gold and silver offerings upon Delphi before asking whether he should cross the Halys River to attack the rising Persian Empire of Cyrus the Great. The Pythia answered with the famous ambiguous hexameter: If Croesus crosses the Halys, he will destroy a great empire. Emboldened, Croesus crossed the river and indeed destroyed a mighty empire: his own kingdom of Lydia.
Seventy years later, in 480 BCE, as King Xerxes I of Persia marched south toward Attica, Athenian envoys received a terrifying first oracle followed by a second pronouncement declaring that Zeus granted Athena a wooden wall (teichos xylinon) that alone would remain uncaptured. The statesman Themistocles persuaded the Athenian assembly that the wooden wall meant not a palisade atop the Acropolis of Athens, but the wooden hulls of Athens's fleet of two hundred triremes, leading directly to the Greek naval triumph at Salamis. More than eight centuries later, in 362 CE, when the last non-Christian Roman emperor, Julian, sent his physician Oribasius to revive the sanctuary, tradition preserved the haunting last oracle spoken from Delphi: Tell the emperor that the finely wrought hall has fallen to the ground; Phoebus Apollo no longer has a shelter, nor a prophetic laurel, nor a speaking fountain; even the murmuring water has dried up.
IIIThe Sacred Way, Marble Civic Treasuries, the Temple of Apollo, and the Athena Pronaia Precinct
Masterfully adapted to a mountainside that drops more than 120 meters from the upper stadium down to the lower sanctuary, the architectural ensemble of Delphi is a triumph of terraced stone engineering. The central Temenos of Apollo (measuring roughly 130 by 190 meters) rests upon the sixth-century BCE Polygonal Wall, an 83-meter-long retaining wall constructed of interlocking curved limestone blocks fitted with earthquake-resistant precision and inscribed with over eight hundred legal manumission decrees recording the freeing of slaves through fictitious sale to the god Apollo.
Entering through the main southeastern gate, pilgrims ascended the steep, switchback Sacred Way (Hiera Hodos), flanked by bronze victory monuments and more than twenty civic Treasuries (Thesauroi), miniature marble temple-like pavilions built by competing Greek city-states to house their richest votive offerings and display their artistic mastery before the entire Greek world.
Resting on a stylobate measuring 60.32 by 23.82 meters, this peripteral Doric temple featured 6 columns across the front and rear facades and 15 along each flank (38 exterior stuccoed poros-limestone columns, of which 6 stand restored at the southeast corner). Its interior comprised the Pronaos inscribed with the sayings of the Seven Sages, the Cella with an eternal flame, and the sunken western Adyton housing the Pythia's tripod and the Omphalos.
A Doric distyle-in-antis building of Parian marble (9.7 by 6.6 meters) erected after the Battle of Marathon (490 BCE) and re-erected in 1903 to 1906. Its southern exterior walls bear the two Delphic Hymns to Apollo composed in 128 BCE by Athenaios and Limenios, preserving the most complete surviving vocal and instrumental musical notation from classical antiquity.
Built around 525 BCE from the silver and gold mines of Siphnos, the ornate Ionic Siphnian Treasury featured two female Caryatid columns and a celebrated Gigantomachy frieze. Nearby rose the 12-meter Ionic column supporting the winged Sphinx of Naxos (circa 560 BCE) and the Acanthus Column topped by three marble dancing maidens (circa 330 BCE).
Directly before the eastern ramp of the Temple of Apollo stands the fifth-century BCE Great Altar of black and white marble dedicated by the island of Chios, beside the stone base of the bronze Serpent Column cast from Persian spoils after Plataea in 479 BCE (whose intertwined bronze serpent shaft now stands in Istanbul) and the monolithic Ionic Stoa of the Athenians.
Above the Temple of Apollo rises the fourth-century BCE limestone theater with 35 tiers of seats accommodating 5,000 spectators overlooking the Pleistos valley. Crowning the highest terrace of the site is the remarkably preserved Delphic Stadium, featuring a 177.55-meter running track (one Pythian stadion of 600 feet), a Roman triumphal starting arch, and stone seating for 6,500 spectators financed by Herodes Atticus.
Located downslope to the southeast before reaching the Apollo precinct are the rock-cut basins of the sacred Castalian Spring, the ancient Gymnasium, and the Sanctuary of Athena Pronaia (Athena Before the Temple), famous for its circular marble Tholos built between 380 and 360 BCE by Theodoros of Phocaea with 20 exterior Doric columns and 10 interior Corinthian columns.
| Monument or Masterpiece | Date and Architect or Sculptor | Key Architectural and Historical Specifications |
|---|---|---|
| Sixth Temple of Apollo | 373 to 330 BCE (Spintharos, Xenodoros, Agathon) | Stylobate 60.32 by 23.82 m, Doric 6 by 15 columns; east pediment depicting Apollo and the Muses, west pediment depicting Dionysus (sculpted by Praxias and Androsthenes) |
| Omphalos Stone and Bronze Charioteer of Delphi | 5th to 4th century BCE (Delphi Archaeological Museum) | Carved marble Omphalos with woolen agrenon net; life-size bronze Charioteer (1.80 m tall) dedicated in 478 or 474 BCE by Polyzalos of Gela |
| Treasury of the Athenians and Delphic Hymns | Circa 490 to 485 BCE; hymns inscribed 128 BCE | Parian marble Doric building with 30 metopes of Heracles and Theseus; south wall inscribed with two musical hymns to Apollo using ancient Greek vocal and instrumental notation |
| Circular Tholos of Athena Pronaia | Circa 380 to 360 BCE (Theodoros of Phocaea) | Base diameter 13.5 m, combining white Pentelic marble with dark Eleusinian limestone; 20 outer Doric columns (3 restored) and 10 inner Corinthian columns |
| Theater and Pythian Stadium | 4th century BCE; remodeled 2nd century BCE and 2nd century CE | Theater seating 5,000 above the Apollo temple; Stadium track 177.55 m by 25.5 m with stone benches for 6,500 spectators |
IVThe Lie of the Land
It should be stated clearly at the outset that ancient Greek religion did not employ East Asian geomancy (feng shui), siting sanctuaries instead according to mythic sacred geography (the cosmic center of the Omphalos), natural springs, geological fissures, and solar alignments. Both the Temple of Apollo and the Altar of the Chians face east-northeast toward the morning sun rising over the cleft of the cliffs. The section below offers a comparative reading of Delphi's extraordinary mountain-and-valley setting through the Hall of Myriad Paths library's traditional landform framework.
Examining the macro-topography of Central Greece at coordinates 38.4824 degrees north, 22.5010 degrees east, few sanctuaries on Earth display a more commanding classical mountain-backed, water-facing configuration than Delphi. Directly behind the sanctuary to the north and northeast towers the snow-crowned massif of Mount Parnassus (rising to 2,457 meters), serving as a colossal ancestral mountain and rear guardian backing. Immediately above the sacred precinct, the limestone massif splits into the twin vertical cliffs of the Phaedriades (Nauplia and Hyampeia, rising more than 250 meters straight up), which curve inward like the arms of a giant stone throne to shield the terraces completely from freezing northern winter gales. Precisely from the narrow gorge between these two cliffs issues the perennial Castalian Spring (supplemented by the Kerna and Kassotis springs within the precinct), embodying a textbook heavenly pool issuing living water at the heart of the mountain embrace.
In terms of the bright hall, front table mountain, and water Dragon, directly below the stepped terraces of the sanctuary plunges the deep valley of the Pleistos River, flowing westward toward the plain of Krisa. Directly across the gorge to the south rises the long, level crest of Mount Kirphis (1,560 meters high), which stands at an ideal distance as a dignified front table mountain that encloses the valley's vital energy and creates the natural acoustic resonance for which Delphi's theater and sacred precincts were famed. Further to the southwest, the Pleistos valley opens onto the shimmering waters of the Gulf of Itea (an arm of the Corinthian Gulf), forming a vast outer water bright hall. Within the central terrace, the Temple of Apollo is oriented along a west-southwest to east-northeast axis, resting its back against the rising slope of Parnassus while opening its eastern facade toward the Castalian gorge and the dawn sun.
VThe Quadrennial Pythian Games, the Eight-Year Septeria Rite, and the Modern Delphic Festivals
Under the ancient lunisolar calendar of Delphi (in which the new year began at the first new moon after the summer solstice with the month of Apellaios), the sanctuary was not only the seat of monthly oracular consultations on the seventh day of each lunar month, but also the stage for Panhellenic festivals uniting all Greek city-states under a sacred truce (ekecheiria). Chief among these were the Pythian Games, second in antiquity only to the Olympic Games at the Sanctuary of Zeus at Olympia. Unlike Olympia, which focused exclusively on athletic and equestrian contests, the Pythian Games placed musical, poetic, and dramatic competitions (mousikos agon) at the very heart of the festival in honor of Apollo as leader of the Muses.
| Date or Cycle | Calendar system | Festival or Sacred Rites | Ritual observances and cultural traditions at Delphi |
|---|---|---|---|
| 7th day of the month of Bysios (early spring, February or March) | Ancient Delphic Lunisolar Calendar | Birthday of Apollo and Annual Opening of the Oracle | Commemorating the birth of Apollo and his spring return from the land of the Hyperboreans (Theophania). In earliest times the Pythia prophesied only on this single day each year, before consultations were expanded to the 7th day of the nine warm months. |
| Month of Boukatios (August), every four years (third year of each Olympiad) | Panhellenic Quadrennial Cycle (from 582 BCE) | The Panhellenic Pythian Games | A six-to-eight-day festival opening with musical contests performing the five-part Nomos Pythikos (depicting Apollo's battle with Python on kithara and aulos), followed by tragic acting, footraces and wrestling in the hilltop Stadium, and four-horse chariot races in the plain of Krisa below; victors received a crown of sacred laurel from the Vale of Tempe. |
| Every eight years (ancient Ennaeteris cycle) | Ancient Delphic Calendar | The Three Great Octennial Festivals: Septeria, Herois, and Charila | During the Septeria, a noble boy whose parents were both living enacted Apollo's slaying of Python by setting fire to a wooden structure on the threshing floor (Alos), then walked in ritual exile along the Sacred Way to the Vale of Tempe in Thessaly for purification before returning in triumph with fresh laurel. |
| Three winter months (Dadaphorios, Poitropios, and Amalios) | Ancient Delphic Calendar | Winter Reign of Dionysus and Torchlight Rites of the Thyiades | While Apollo was absent in the north, Dionysus ruled Delphi; colleges of female devotees (Thyiades) from Athens and Delphi climbed Mount Parnassus by torchlight to the Corycian Cave to awaken the infant god Dionysus Liknites. |
| May 1927, May 1930, and contemporary summer cultural seasons | Modern Gregorian Calendar | The Delphic Festivals founded by Angelos Sikelianos and Eva Palmer | Modern revival of the Delphic ideal through open-air performances of Aeschylus's tragedies in the ancient theater, traditional athletic games in the stadium, and international symposia hosted by the European Cultural Centre of Delphi. |
The twentieth-century Delphic Revival and the treasures of the Delphi Museum. In 1927 and 1930, the visionary Greek poet Angelos Sikelianos and his American wife Eva Palmer-Sikelianos organized the landmark Delphic Festivals at the ancient theater and stadium of Delphi, staging Aeschylus's Prometheus Bound and The Suppliants with hand-woven archaic costumes, Byzantine-inspired choral music, and classical athletic contests that directly inspired the modern Olympic Torch Relay a few years later. Today, visitors who pair their walk up the Sacred Way with the adjacent Delphi Archaeological Museum encounter the original masterpieces that once stood beneath the Phaedriades cliffs: the twin archaic statues of Kleobis and Biton, the winged Sphinx of Naxos, the life-size silver-gilt bull, the marble Omphalos, and the breathtaking fifth-century BCE bronze Charioteer of Delphi (Iniochos), whose inlaid glass-paste eyes still gaze with serene self-mastery across twenty-five centuries.
VILocation And How To Get There
- Address
- Archaeological Site of Delphi, E.O. Arachovas - Amfissas, Delphi 330 54, Phocis, Central Greece
- Getting there
- The Sanctuary of Delphi is located in Phocis, Central Greece, approximately 180 kilometers northwest of Athens. Intercity KTEL buses depart several times daily from the Liosion Bus Terminal in Athens (260 Liosion Street), traveling via Livadeia and the mountain town of Arachova directly to modern Delphi in about 3 hours; from the modern town center, the museum and archaeological site entrance lie a scenic 10-minute walk east along the mountain highway (easily combined on the same route with a visit to Hosios Loukas Monastery, 35 kilometers away).
- Coordinates
- 38.4824, 22.501
Because the Sanctuary of Apollo at Delphi climbs a steep mountain slope via hundreds of polished ancient limestone and marble steps, sturdy non-slip walking shoes, sun protection, and drinking water are essential, especially when ascending to the ancient Stadium on the highest terrace. The archaeological complex comprises three distinct zones along the Arachova-Delphi road: the lower Sanctuary of Athena Pronaia (including the circular Tholos) is open free of charge, while the main Sanctuary of Apollo and the adjacent Delphi Archaeological Museum share a combined admission ticket. Visitors must never step onto ancient stone bases, touch the inscriptions on the Polygonal Wall, or use flash photography inside the museum galleries.
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?Quick Questions
Why did the ancient Greeks revere Delphi as the Navel of the World (Omphalos)?
According to Greek mythology, Zeus released two eagles from the eastern and western edges of the cosmos to fly toward each other at equal speed, and they met directly above the slopes of Mount Parnassus at Delphi. To mark this cosmic center, a beehive-shaped stone carved with a knotted woolen net called the Omphalos (meaning navel) was enshrined inside the Adyton of the Temple of Apollo.
Who was the Pythia and how did she deliver the prophecies of Apollo?
The Pythia was the high priestess of the Temple of Apollo at Delphi, selected from local women of irreproachable life who observed lifelong celibacy during their service. On the seventh day of each lunar month from spring to autumn, after purifying herself in the Castalian Spring, drinking from the Kassotis spring, and chewing laurel leaves, she descended into the sunken Adyton, sat upon a tall bronze tripod above a fault in the bedrock, inhaled rising sweet vapors (pneuma), and spoke prophecies that the temple priests transcribed into hexameter verse.
What did modern geological research discover beneath the Temple of Apollo at Delphi?
Between 1996 and 2001, an interdisciplinary team of geologists, archaeologists, and toxicologists demonstrated that two tectonic faults (the Delphi fault and the Kerna fault) intersect directly beneath the Adyton of the Temple of Apollo, cutting through bituminous limestone rich in hydrocarbons. Seismic friction heated these deposits and released light hydrocarbon gases, including sweet-smelling ethylene, which rose through spring fissures into the enclosed oracle chamber just as Plutarch and Strabo had described.
What were the famous Delphic Maxims inscribed at the entrance to the Temple of Apollo?
Recorded by Plato, Pausanias, and Plutarch, the forecourt (Pronaos) of the Temple of Apollo displayed moral maxims attributed to the Seven Sages of Greece. The two most famous were Gnothi Seauton (Know Thyself, reminding mortals to recognize their human limits before the gods) and Meden Agan (Nothing in Excess, teaching moderation and warning against hubris).
How did the Pythian Games at Delphi differ from the Olympic Games at Olympia?
Reorganized as a quadrennial Panhellenic festival in 582 BCE and held in the third year of each Olympiad, the Pythian Games ranked second in prestige only to Olympia. Because they honored Apollo as god of music and poetry, the Pythian Games placed musical, poetic, and dramatic competitions (beginning with the Nomos Pythikos hymn depicting Apollo's victory over Python) ahead of athletic footraces and chariot races, and crowned victors with wreaths of sacred laurel rather than wild olive.