A UFO spotted over one of the world's holiest sites. And could a mysterious floating "spaceman" in a famous photograph be an elaborate, decades-long hoax? Plus, "superhumans" who can stop cars barehanded. Tony and his team of experts explore these mysterious photos and videos.

Shocking sighting of a UFO outside from the window seat of a passenger jet. A strange underwater discovery is said to be a lost Japanese city. And are giant sloths responsible for a series of tunnels in Brazil? Tony and team investigate some of the world's strangest photos and videos.