Go inside some of the most shocking presidential assassination attempts, from poisoned paper to failed hijackings to misfiring guns.

The ruins of the amphitheater in the Swiss city of Kaiseraugst dates back to the fourth century A.D. in the late antiquity period.

The flat stones and spiked clay balls found at the site of the 1590 Siege of Odawara may be precursors to later ninja weapons.

Archeologists long puzzled over the eight tubes but a new theory suggests that they were used to drink ceremonial beer.

He is well known for his bifocals and quippy cartoons, but these facts about Benjamin Franklin reveal a much more eccentric man.

Where is JFK's brain? This mystery has puzzled America since 1966, when the 35th president's brain suddenly went missing from the National Archives.

Elvis Presley was known for being extremely close with his mother Gladys Presley. When she tragically died of a heart attack in 1958, he would never be the same again.

First opened in 1970 and shut down in 2011, the Élan School was the "last resort" for parents of teens with behavioral problems — and allegedly a site of systemic abuse.

The 209 coins date back to between the third and fifth centuries and were minted across the Roman empire.

These famous Benjamin Franklin quotes taken from volumes like Poor Richard's Almanack will both inspire you and make you chuckle.