Located in the south of Greece,Delphi is a must-visit historical site. It is known as a World Heritage Site by the UNESCO, and contains very important historical ruins in Europe. There you will find the temple of Appollo fom the 4th century B.C. , the stadium, the theatre of Delphi, the Tholos, the hippodrome and many more. These are the main things to see in Delphi. If you are a fan of history there is no better place to visit than Deplhi.