
The home of the unexplained and all things alien. Discover UFO sightings and real-life mysteries, mind blowing docs, investigative series, and the best of sci-fi.

The crew broadens their search, exploring the wider Alaskan coastal rainforest.

The crew ventures into a dark valley across from camp, searching for signs of anything elusive.

Three stories of mysterious creatures that are seemingly half-man and half-beast: a New Jersey woman and her son come face to face with the legendary Jersey Devil; a sleepy South Carolina town is terrorized by a giant reptile; in Wisconsin, a bloodthirsty werewolf-like creature appears on a remote country road.

A man is caught in the collapse of the World Trade Center; a freak rail accident slices a man in half; a hippo attacks a safari guide in Zimbabwe.

Investigating reports of UFOs massed over the South China Sea, ancient carvings of alienlike humanoids, and Albert Einstein's secret 1947 visit to Roswell, New Mexico.

A look at a series of metal cubes seen spinning in the sky over Earth; exploring the origin of an angel-shaped apparition; China's interest in aliens; a metal alloy that may power UFOs; scareships.

A mysterious doorway on Mars; victims of a UFO in the Amazon; an alien party crasher at the Queen's Jubilee in London; animal mutilations in France; a video of otherworldly visitors to Turkey.

Sightings around Sutton Lake help to act as a window into the greater Bigfoot mystery.