Delphi, Greece: Ancient Sanctuary on Mount Parnassus

Delphi (modern Kastri) clings to Mount Parnassus in Phocis, Central Greece. Overlooks the Pleistos Valley, olive groves, and the Castalian Spring—sacred to Apollo. Home of the Oracle of Delphi (Pythia), the ancient world’s most famous prophetic site. UNESCO World Heritage.