The German u-boat was found in 180 feet deep in the Atlantic just nine nautical miles off the coast of Cornwall, England.

For two years, Charles Ng and Leonard Lake enslaved and brutalized upwards of 11 people — until Ng tried to steal a torture device.

If his own confession before his brutal execution is to be believed, then Peter Niers slaughtered 544 people — 24 of which were pregnant women he killed for their fetuses.

From Shirley Temple to the Two Coreys, these iconic child actors endured hardships invisible in their onscreen lives.

From a 40,000-year-old wolf head preserved in Siberian ice to the first black hole ever fully visualized, this year's best science pictures left us astounded.

Frank Lentini, the "Three-Legged Man," went on to have a successful career thanks to his parasitic twin.

After his father was assassinated, Robert Todd Lincoln kept an insanity file on his mother that he later used to have her committed to an asylum.

The six-foot, 6,000-pound Diprotodon was the largest marsupial to have ever existed.

Dudley "Mushmouth" Morton, a World War II submarine ace so named for his pronounced mouth, sank 19 enemy ships while commanding the submarine Wahoo in the Pacific.

Legend has it Tomoe Gozen commanded as many as 1,000 men and that she was as fearless and ruthless as she was beautiful.

These fun facts about Canada present a country much more eclectic — and weirder — than you may have ever thought.