Delphi was known in ancient times as the navel of the world. It's the site of the 4th-century-B.C. Temple of Apollo, once home to a legendary oracle. This extensive mountainside archaeological complex contains the remains of the sanctuaries of Apollo and Athena Pronaia, as well as an ancient stadium and theater. There’s something in the air of Delphi which brings in sense of calm and peace. It is cloudy in Delphi throughout the year. You must visit Delphi on trip to Greece.