Actor and science fiction icon William Shatner shines a light on mysterious subjects, events and phenomena around the world that have gone unexplained for years.

From the Grand Canyon to Florida's Everglades, the National Parks of the United States have been witness to an extraordinary series of strange events, apparent hauntings and legendary creatures.

UFOs Declassified brings some of the most unbelievable UFO encounters to the screen. Some are well known, like the crash and capture of a flying disc by the US Army Air Force at Roswell in 1947. Other incidents are less well known, but equally mysterious, and span the globe from the US, Canada, Brazil to Great Britain and even Tehran. 

Brothers Rick and Marty Lagina search for hidden treasure on an island off Nova Scotia. The rewards could be incredible... but legend says the loot is guarded by a violent hex.