Watch 10 Things You Don't Know About

The show highlights the Gold Rush and shares some little known facts.

Take a look at some shocking facts about Las Vegas.

Whether it's in your pocket, in your bank account, or stuffed under your mattress, what most people don't know about the history of their cash can fill Fort Knox. Henry travels the strange and sordid trail of currency in America... from how bills were first printed, to why have coins have ridges on them. There are bizarre stories of wishing wells, the national debt, even the U.S. Government literally setting one state's dollars ablaze. By the end of this trip, your money will never look the same way again.

The Hoover Dam is an iconic American landmark, yet within its massive walls lie tales long buried. From harrowing accounts of the men who built it, to the shocking ways they were kept in danger. There were explosive ideas on how to make a dam so large, and even more incredible ways to protect it. From the Colorado River to California's Salton Sea, Henry's journey to find unknown facts about the Hoover Dam is as colossal as the structure itself.

Ten things you didn't know about the American Revolution.

Ten things you didn't know about Thomas Edison and Nikola Tesla, two of the most famous minds in American History.

Texas--there's no state in America like it. Big. Brash. Bold. But Henry's trek through the Lone Star State will completely shatter what you thought you knew. This once independent nation's history is an adventure of epic proportions--there are macabre spectator events, exotic animals, pirates, natural disasters... and an almost inconceivable political secret weapon. After what Henry uncovers, you'll never see Texas the same way again.

The American Flag is one of the most familiar symbols in the world. Many have sung the National Anthem, pledged allegiance, and waved it proudly... but Henry knows the Stars and Stripes has more stories than you've heard. From its first design to the original pledge, from the Civil War to the Moon, the Flag has taken a journey through American history unlike any other.

Prohibition was one of the most outlandish, and most influential periods in all of American history--and Henry Rollins is going to reveal just how strange it got. From Al Capone's deep, dark family secret and weird D.C. monuments still standing today, to the crazy and sinister things our government did to get average Americans to stop drinking, you won't believe what Henry's dug up.

The White House might be the most recognizable home in the entire world. But as a Washington, D.C. native, Henry Rollins knows there's far more to 1600 Pennsylvania Avenue than meets the eye. From dissecting the shape of the Oval Office to uncovering why a brothel once operated on White House grounds, Henry uncovers the most thought-provoking details about the Executive Mansion.