Chariots of the Gods?: Unsolved Mysteries of the Past

ancient antiquity archaeological archaeologists astronauts astronomical atomic bacteria brain building Carl Sagan cave drawing Cayce chance Chariots cosmos culture earth Easter Island Edgar Edgar Cayce Egyptian Enkidu Epic of Gilgamesh Erich von Däniken exist explain explosion extraterrestrial Ezekiel fact fantastic feet figures fire flying object future giants gods heaven human hundred idea imagine Inca inhabitants inscriptions investigation Khufu kind knowledge land light-years living creatures look machine Mahabharata mankind maps Mars Martian moons megaherz miles Moses mountain mysterious Nazca observatory Palenque pharaoh Phobos picture Piri Reis planet prehistoric present-day primitive pyramid questions radiation radio waves remote past rock Sacsahuamán satellites scientific scientists Sodom solar space travelers spaceship stars statues story strange Sumerians tablet technical tell texts theory things thousands Tiahuanaco tion tombs tons UFO's universe unknown intelligences Utnapishtim vehicle Venus Viracocha visited weapon wheels