In August 1946, an esteemed US Naval Officer and explorer, Admiral Richard Byrd, went on an expedition to Antarctica. What made it special was what he and his crew found on the trip. They discovered an ancient city made entirely from crystals. Some believe it to be the work of aliens who most likely visited Earth thousands of years ago. What does the discovery of this ancient alien city in Antarctica mean? Is this finally solid proof of extraterrestrial life on Earth?