U.S. History

During the Cold War, both the U.S. and the U.S.S.R. stockpiled weapons, eventually holding enough power to destroy the world several times over. Yet neither side actually used these weapons. Learn more about M.A.D. in our article on HowStuffWorks.

Why was tax evasion the only thing pinned on Al Capone?

Al Capone was a king among criminals, and 'kept his hands clean,' maintaining plausible deniability by avoiding direct connections to illegal activity. He never paid taxes -- and this came back to haunt him. Learn more in our article on HowStuffWorks.

Why was Davy Crockett king of the wild frontier?

Davy Crockett is one of America's great real-life legends. With a little help from Walt Disney, Crockett experienced a resurgence in popularity more than 100 years after his death. Check out our HowStuffWorks article to learn if this is fact or fiction.

Some researchers allege that ergot poisoning may have been responsible for triggering the Salem witchcraft trials -- but is this fact, or fiction? Learn more about ergot and the Salem witch trials in this HowStuffWorks podcast.

The D.B. Cooper mystery involves the case of Northwest Airlines Flight 305, which was hijacked by a lone man. Learn more about the D.B. Cooper mystery.