Ruins of places and monuments of the world ... In 1987, it was added to the UNESCO World Heritage List. Delphi, Greece This ancient city, dating back to the Mycenaean period, was considered ...
Greek cities had beautiful temples with stone columns and statues, and open-air theatres where people sat to watch plays. Image caption, Ancient Greek ruins of the Temple of Apollo and theatre in ...
One of central Athens' best preserved ruins is the Temple of Hephaestus. Nestled within Ancient Agora, this site was built between 460 and 420 B.C. and once served as a Christian church.