Delphi ( Greece ) is declared a World Heritage Site by UNESCO and one of the "holy places" in the world. It is a large archaeological site in Sterea. It is most known as the site of the Oracle, attracting pilgrims from all over to seek the prophecy of the god, Apollo. The prophecy was spoken through Pythia, a priestess of his temple. The myth says that the town is the center of the Earth. Delphi is at the beginning of the National Park of Parnassos, located 15 minutes from the sea and 30 minutes from the ski resort.