The seven most spectacular man-made structures of the ancient world. The earliest extant list of these dates from the 2nd century; traditionally they comprise

(1) the pyramids of Egypt, especially those at Giza; (2) the Hanging Gardens of Babylon; (3) the Mausoleum of Halicarnassus; (4) the temple of Diana (Artemis) at Ephesus in Asia Minor, rebuilt in 356 bc; (5) the Colossus of Rhodes; (6) the huge ivory and gold statue of Zeus at Olympia in the Peloponnese, made by Phidias c.430 bc; (7) the lighthouse built by Ptolemy II c.280 bc on the island of Pharos outside the harbour of Alexandria. Only the pyramids still exist.