During the second world war, the Nazis looted everything they could get their hands on, including an estimated 600 tons of gold, thousands of pieces of artwork, and millions of priceless artifacts. While some of these items have been found, much of it remains missing. Treasure hunter Darrell Miklos believes some of these stolen riches were loaded into specially modified U-Boats that are currently lying at the bottom of the Caribbean Sea. His evidence: two top-secret documents acquired over 40 years of research.

Hazen Audel embarks on an epic trek that will mirror a traditional Berber nomad journey across the Saharan desert cauldron to an oasis.

Octopuses are like aliens on Earth: three hearts, blue blood and the ability to squeeze through a space the size of their eyeballs. But there is so much more to these weird and wonderful animals. Intelligent enough to use tools or transform their bodies to mimic other animals and even communicate with different species, the secrets of the octopus are more extraordinary than we ever imagined.

Murder. Extortion. Drug smuggling. Racketeering. The charges are mounting against John Gotti — but will any of them stick to the “Teflon Don”? Told from both sides of the law, this docuseries from the makers of “Fear City” follows the FBI’s battle to bring down infamous mob boss.

At a storied professional wrestling organization, new owners and a roster of rising stars strive to make an impact beyond the ring in this docuseries.

A unique twist to the talent show genre, spotlighting the lesser-known relatives of celebrities as they sing duets alongside their incognito famous family members. A studio audience, doubling as contestants, engages in a guessing game through a series of rounds and clues, with a chance to win up to $100,000 by identifying the concealed celebrity connection before the big reveal.

Skateboarder Rick McCrank explores abandoned places with the people who love them long after the lights have gone out.

Delve into the worlds of extreme polygamist groups and explores how the power held by Prophet Warren Jeffs, who is currently serving a life sentence for his crimes committed as Prophet, and other high-profile polygamists such as Sam Bateman, have shaped communities where claims of abuse, incest and fraud have become common.

Blending dramatization with documentary, this series traces the rise and reign of Queen Njinga of Angola amid family betrayal and political rivalries.

Set in Central Michigan’s farm country, this reality series follows the work done at Pol Veterinary Services. Specializing in large farm animals, Dr. Pol treats horses, pigs, cows, sheep, alpacas, goats, chickens and even an occasional reindeer. The program also features Dr. Brenda Grettenberger, who has worked with Dr. Pol since 1992.

From television’s most prolific crime storyteller Dick Wolf, comes a new series where each episode chronicles notorious, ripped-from-the-headlines murder cases and trials motivated by greed.

Jamie Redknapp, Freddie Flintoff, Jack Whitehall and James Corden embark on a road trip across America where they’ll compete with one another in various tasks and sports.