Reviews of the Temple of Zeus at Olympia, Greece, a UNESCO World Heritage site. The reviews highlight the temple's historical significance as the site of the ancient Olympic Games, its architectural grandeur, and the importance of the lost statue of Zeus that once stood within it. The reviewers often discuss the temple's impressive ruins and their ability to transport visitors back in time. Some recommend visiting the site early in the morning to avoid crowds and the heat, and most encourage visitors to learn more about the temple's history before arriving.