temple of apollo overlooking valley

mount parnassus temple apollo ruin ancient greece antiquity monument marble hill doric summer delphi greek background athenian treasury omphalos architecture building column pythian games valley worship heritage view delfi landscape sacred historic prophecy landmark tourism pythia oracle religion sibyl culture unesco pytho pagan civilisation hellenic travel god sanctuary archaeology classical parnassos national park mythology mountain overlooking ruins phocis precinct served seat major world