HISTORY 2

From iconic robes, jerseys, crowns and sunglasses to dangerous weapons, we explore the wild tales of long-lost celebrity artifacts that turn into big-money paydays.

Former U.S. government insiders team up to reveal what the government knows about UFOs, led by Luis Elizondo, who ran the U.S. government's $22 million secret UFO program; Elizondo reveals new details about his Pentagon investigation.

Marty withstands a brutal cold snap; Mike carves a narrow road out of a steep ridge; Daniel charts a daring course through narrow straits; Jake's dogs brawl with an aggressive lion; Paul ventures deeper into the wilderness to expand his trapline.

Exploring if a retired Army aviation officer uncovered evidence of intelligent anomalies or technosignatures in NASA archived solar satellite photos; why a giant shark caught on camera sparked a debate about if megalodons still exist and more.

Marty withstands a brutal cold snap; Mike carves a narrow road out of a steep ridge; Daniel charts a daring course through narrow straits; Jake's dogs brawl with an aggressive lion; Paul ventures deeper into the wilderness to expand his trapline.

Mikey goes on a treasure hunt; Andrew and Graeme must fly with the boss Joe McBryan.

Adam, Kru, Don and Kevin follow reports of missing prospector Volcanic Brown to his camp; Adam battles winter weather and his better judgment to find Brown's body; Taylor and cousin Rain Pierre uncover archival evidence linking Slumach's arrest.

Ken's gold camp is threatened by a flooding river; Karl falls far behind his rivals; Big Al's machines break down as he hunts "smart" gold.

Mikey goes on a treasure hunt; Andrew and Graeme must fly with the boss Joe McBryan.

Adam, Kru, Don and Kevin follow reports of missing prospector Volcanic Brown to his camp; Adam battles winter weather and his better judgment to find Brown's body; Taylor and cousin Rain Pierre uncover archival evidence linking Slumach's arrest.

Ken's gold camp is threatened by a flooding river; Karl falls far behind his rivals; Big Al's machines break down as he hunts "smart" gold.

A former U.S. Navy radar operator emerges from the shadows to reveal the terrifying day it rained UFOs; evidence of a U.S. military cover-up emerges, as the team gets a major lead guiding them to an island with a clandestine history of UFO activity.

Does the Devil really exist? Tony Harris separates fact from fiction as he investigates photos, videos and sounds that allegedly have a link to Satan; are recordings of an exorcism proof that demonic possession is real?

The Navy SEAL is forged in pain, a training that transforms him into a fighting force capable of operating in any environment, from sea to land to air; originating during World War II and further honed in the Vietnam War, the SEAL develops tactics in special operations, making him a skilled and adaptable fighter.

In September 1939, Germany invades Poland, setting the stage for the most destructive war in history.

After toppling the Netherlands and Belgium, Nazi Germany pushes further west; the Allies scramble to support France as Churchill is forced to defend Britain from the skies and FDR rushes to mobilize wartime production.

Lauro begins the 1,000-mile Iditarod with his sixteen-dog team, pitted against harsh conditions and rugged terrain in one of the toughest races on Earth.

Does the Devil really exist? Tony Harris separates fact from fiction as he investigates photos, videos and sounds that allegedly have a link to Satan; are recordings of an exorcism proof that demonic possession is real?

A former U.S. Navy radar operator emerges from the shadows to reveal the terrifying day it rained UFOs; evidence of a U.S. military cover-up emerges, as the team gets a major lead guiding them to an island with a clandestine history of UFO activity.

The Navy SEAL is forged in pain, a training that transforms him into a fighting force capable of operating in any environment, from sea to land to air; originating during World War II and further honed in the Vietnam War, the SEAL develops tactics in special operations, making him a skilled and adaptable fighter.

In September 1939, Germany invades Poland, setting the stage for the most destructive war in history.

After toppling the Netherlands and Belgium, Nazi Germany pushes further west; the Allies scramble to support France as Churchill is forced to defend Britain from the skies and FDR rushes to mobilize wartime production.

The Navy SEAL is forged in pain, a training that transforms him into a fighting force capable of operating in any environment, from sea to land to air; originating during World War II and further honed in the Vietnam War, the SEAL develops tactics in special operations, making him a skilled and adaptable fighter.

In September 1939, Germany invades Poland, setting the stage for the most destructive war in history.