TV Guide Discovery Channel Sunday

Josh Gates investigates the Salem witch trials, Britain's Roswell UFO sighting, and the assassination of Rasputin.

Host Josh Gates scours the globe in search of answers to some of the planet's most enigmatic tales and makes an attempt distinguish fact from fiction.

Host Josh Gates scours the globe in search of answers to some of the planet's most enigmatic tales and makes an attempt distinguish fact from fiction.

Host Josh Gates scours the globe in search of answers to some of the planet's most enigmatic tales and makes an attempt distinguish fact from fiction.

Following a multi-billion-dollar custom truck business that transforms average trucks into the loudest, most coveted, and eye-catching custom creations around.

The owner of an Atlanta auction house sorts through a variety of items in order to cultivate the most unusual ones that will fetch the highest bids.

Greg Heister showcases some of his fly-fishing techniques as he travels the country with various esteemed guests in pursuit of trophy-caliber fish.

The owner of an Atlanta auction house sorts through a variety of items in order to cultivate the most unusual ones that will fetch the highest bids.

Fishermen aboard several ships brave tumultuous seas, harsh winter weather and hazardous working conditions while in pursuit of lucrative Alaskan crab.

Fishermen aboard several ships brave tumultuous seas, harsh winter weather and hazardous working conditions while in pursuit of lucrative Alaskan crab.

Fishermen aboard several ships brave tumultuous seas, harsh winter weather and hazardous working conditions while in pursuit of lucrative Alaskan crab.

Naked survivalists endure harsh natural elements while attempting to complete survival challenges in remote areas, where food is incredibly scarce.

Naked survivalists endure harsh natural elements while attempting to complete survival challenges in remote areas, where food is incredibly scarce.

Naked survivalists endure harsh natural elements while attempting to complete survival challenges in remote areas, where food is incredibly scarce.

Naked survivalists endure harsh natural elements while attempting to complete survival challenges in remote areas, where food is incredibly scarce.

Naked survivalists endure harsh natural elements while attempting to complete survival challenges in remote areas, where food is incredibly scarce.

Naked survivalists endure harsh natural elements while attempting to complete survival challenges in remote areas, where food is incredibly scarce.

Naked survivalists endure harsh natural elements while attempting to complete survival challenges in remote areas, where food is incredibly scarce.

Naked survivalists endure harsh natural elements while attempting to complete survival challenges in remote areas, where food is incredibly scarce.

A man and woman are stranded in one of the most remote and extreme areas in the world with only one personal item, and they must survive for several weeks.

A man and woman are stranded in one of the most remote and extreme areas in the world with only one personal item, and they must survive for several weeks.

Homemade robots of all sizes compete against each other, as spectators get a close-up view of the battle, and a behind the scenes look at each builder.