Bog bodies are corpses that are mummified when they are submerged in highly acidic bodies of water with low temperatures and oxygen levels, such as peat bogs — and dozens of them have been accidentally uncovered across Europe over the centuries.

The first English settler to successfully cultivate tobacco in Virginia, John Rolfe famously married Powhatan "princess" Pocahontas in 1614.

Discover the grisly stories of the five victims of Jack the Ripper who were brutally snuffed out in London's Whitechapel district starting in the summer of 1888.

Nicknamed the "King of Cocaine," Pablo Escobar founded the Medellín Cartel and had an estimated net worth of $30 billion when he died in 1993.

Challenger Deep lies 35,876 feet beneath the surface of the Pacific Ocean within the Mariana Trench, and the explorers who have ventured into its depths have spotted otherworldly landscapes, bizarre sea creatures, and even human trash.

Also known as "hanging in chains," gibbeting often involved locking criminals in human-shaped cages and hanging them up in public areas as a warning to others.

Built by Krupp in 1941, the Schwerer Gustav railway gun was the Nazis' "miracle weapon" that could blast through 20 feet of concrete from nearly 30 miles away.

From Parisian flower sellers to Chinese monks, see what the world actually looked like a century ago with these striking autochrome images.

Exhibited as curiosities in the 19th century, conjoined twin brothers Chang and Eng Bunker were two of America's most infamous showmen.

Neolithic cobra pottery unearthed in Taiwan, missing half of Ramses II statue found in Egypt, mass grave filled with plague victims discovered in Germany.

Kim Peek's one-of-a-kind brain allowed him to read two pages of a book at once, recite the day of the week for any date in history, and memorize some 12,000 volumes.