Investigators explore the hidden side of the United States, focusing on conspiracy theories, secrets, mysteries and the forbidden.
A look at the 1962 prison break from Alcatraz. Other topics include: surviving a sandstorm; a doomsday bunker in Kansas; the mystery of D.B. Cooper; radioactive leaks.
"MythBusters" cohost Kari Byron takes a look at Area 51 files and observes jets mimicking UFOs. Also: police drones in Texas; and California's medical marijuana farms.