What Secrets Does Area 51 Hold? Are aliens among us? Many people seem to think so and they believe one place holds all the answers. We can only speculate what goes on behind the gates of the infamous Area 51 in Nevada, but many believe it's where the government has been covering up an alleged UFO crash in 1947 and studying the evidence. Others claim to have had their own alien encounters. InsideEdition.com's Mara Montalbano has more.