The document provides information about the ancient site of Olympia in Greece, which hosted the Olympic Games for over 1,000 years. It describes some of the key locations and structures at Olympia, including the Altis sanctuary of Zeus, the Temple of Hera known for its symmetrical proportions, treasuries built by Greek city-states to store offerings, the massive Temple of Zeus, the stadium where athletic competitions took place, and facilities like the palaestra where athletes trained. The document contains maps and photographs to illustrate the natural setting and archaeological remains at the site.