America's Book of Secrets goes deeper, farther and wider than ever in its unceasing effort to bring viewers the truth behind today's most shocking headlines.
One of the most secure structures in the world contains secrets inside its stone exterior. How much gold is inside? Could it really be empty? Unlock the secrets of Fort Knox.
Behind the bulletproof glass and armored plating are secrets. Who’s in charge of the presidents’ safety, what's Ground Force One and why is the presidential limo called “the Beast?”
Made up of an elite team of Special Agents, the FBI is the most powerful police force in the world. While its patriotic mission is public knowledge, the FBI's tactics are classified—until now.