In 1989, Bob Lazar joined a top secret project out of Area 51 — supposedly reverse engineering alien technologies. When he was threatened to stay silent about his work, Bob took the opposite approach, blowing the whistle on the government's knowledge about UFOs. Today, he's still paying the price.

This odd 24,000-square-foot Victorian mansion boasts winding staircases that lead to nowhere, windows built into the floors, and doors that open to 13-foot drops. But the oddest thing about this structure is who Sarah Winchester may have built it for. 

In 1931, the Irving family started hearing the pitter patter of a rodent living behind their walls. Three months later, that animal starts to talk. He tells them he’s a mongoose and his name is Gef.

Rock star. Rocket scientist. Computer programmer. Philip Taylor Kramer seemed capable of doing everything. His mysterious disappearance in 1995 may be evidence that he invented a new technology that would shake the foundations of modern physics.

In 1973, fishing buddies Charlie Hickson and Calvin Parker turned up terrified at the Pascagoula, Mississippi Sheriff's Station. Over years of hypnosis, interviews, and public ridicule, Charlie and Calvin convinced multiple experts that they had been abducted and probed by aliens.

In 1845, the Franklin Expedition left London to chart the Northwest Passage. When Sir Franklin and his crew went missing, his wife turned to the psychic world for answers about his location. But she didn't anticipate those answers coming from the ghost of a child...

In the terrifying, mysterious experience known as sleep paralysis, people wake up to find their bodies completely paralyzed. They are frozen in place, unable to do anything but watch and listen as they are assaulted by nightmarish, shadowy demons.

After a wave of animal murders terrorized Puerto Rican farms in 1995, locals banded together to hunt a beast they called the Chupacabra. Some called it a genetic experiment. Others swore it was an alien. But whatever it was, the Chupacabra would soon take its reign of terror across the entire world.

Explorer Juan Ponce de León made the quest for the Fountain of Youth what we know it as today, but it's possible that he was searching for something much larger than simply water that turns back time…