In ancient times, the pyramids of Egypt; the Hanging Gardens of Babylon; Phidias's statue of Zeus at Olympia; the temple of Artemis at Ephesus; the tomb, or mausoleum, of King Mausolus at Halicarnassus; the Colossus of Rhodes; and either the Pharos, or lighthouse, at Alexandria or the walls of Babylon. The list of manmade wonders was first compiled by a Hellenistic traveler in the second century BC.