America's Book of Secrets

Exploring scientology, one of the most secret organizations in America.

This episode uncovers the secret surveillance methods of the government.

The world of terrorism on American soil and how authorities are working to stop these groups.

Gold. It is one of the most precious metals in the world.

They operate in the shadows... men trained to kill... without leaving a trace.

Go inside the maximum-security world of America's "secret prisons."

This episode reveals the underground world of America's wealthiest citizens.

Exploring underground facilities in the United States, which could hold dangerous secrets.

An inside look at the Secret Service and the secrets it protects; a possible growing problem.

The list of doomsday scenarios facing the U.S. has shaken the American psyche.