Karnak is a complex in Egypt where ancient ruined temples are located. These temples are from the era of Pharoah Ramses II, from around 1391-1351 BC. This area was the most important place for worship during this time. The Great Temple of Amun was a very large building, and it is still available to visitors today. The Karnak Temple Complex is located near Luxor, south of Cairo, Egypt. It is visited more than any other historical area in the world, after the Giza Pyramids, and it is the largest ancient religious preservation in the world.