After five planes vanish in the Bermuda Triangle, science points to a strange geological force. And, satellites reveal lost tribes in the Amazon.

The Roanoke colony vanished without a trace, and centuries later, it remains one of history's greatest unsolved mysteries. Can new evidence reveal its fate?

The Hubble Telescope spots thousands of unknown objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?

A planet shows evidence of an Earth-like atmosphere, while a mysterious glowing light suggests the impossible: an atmosphere on the Moon.

Could spaceships really be powered by atomic bombs? Plus, why was Neil Armstrong's transmission feed cut off when he spotted strange lights on the Moon?

Is a Sasquatch colony terrorising the residents of a remote island? And, could decades of UFO sightings suggest that aliens are working with the US military?

The Hubble Telescope spots thousands of unknown objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?

A planet shows evidence of an Earth-like atmosphere, while a mysterious glowing light suggests the impossible: an atmosphere on the Moon.

Could spaceships really be powered by atomic bombs? Plus, why was Neil Armstrong's transmission feed cut off when he spotted strange lights on the Moon?

Test pilot ace Gordon Cooper is preparing to test a revolutionary landing system when two UFOs appear. Plus, what is the mystery of Saturn's mega-hex?

Images of Mercury reveal massive spider-like formations on its surface. Is it an odd geological formation - or something much more ominous?

How did pictures from the Hubble telescope make the comet of the century look like an alien spacecraft? Has earth already been invaded by alien organisms?

The Hubble Telescope spots thousands of unknown objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?

Josh is in the Holy Land to dig in with an archaeologist who has unearthed new Dead Sea Scrolls. He gets rare access to examine scroll fragments.

Josh investigates a Dead Sea Scroll etched with riddles that could lead to an ancient treasure. His search takes him into the Jordanian desert.

Josh Gates and his crew are joined by UFO expert James Fox to give an exciting behind-the-scenes glimpse into the hunt for alien life in Chile.

Josh Gates and James Fox discuss whether extraterrestrial helped build Easter Island. Plus, are there any clues to real UFO encounters in famous works of art?

A Transylvanian castle provides the chilling inspiration for a literary villain. Plus, a mythical monarch steps-into the real world at an English Abbey.

An English palace is the setting for a royal tale of uncontrollable lust and limitless power. Plus, a New York arsenal falls victim to a menacing curse.

The team travels to Preston County to investigate a flying predator. They encounter great danger when they invade the creature's territory.

A student fights for his sanity after receiving a cursed television from America's most infamous cult leader. Can he resist the dark pull of the gift?

Katrina and Jack investigate reports of paranormal activity in Ohio. It is rumoured that an abandoned prison is attracting malevolent spirits.

The team investigate a vicious canine-feline hybrid. They track the predator toward their tiger-box trap in frigid temperatures.

The Hubble Telescope spots thousands of unknown objects travelling faster than light. Are we being watched? Or could we ourselves be aliens from another world?