Why Vercingetorix was Julius Caesar's arch-rival and is still regarded as a national hero in France to this day.

The Megatherium roamed South America for some 5.3 million years before it fell victim to mass extinction — though some rainforest natives claim to have seen a similar creature roving through the trees.

Rudolf Virchow's work spanned pathology, forensics, and cancer research. But for all his work, Virchow was also quite ignorant on two of the biggest medical advancements in modern medicine.

After beginning by correcting his father's math at 3 years old, Carl Friedrich Gauss became one of the most influential mathematicians the world has ever seen.

Ibn Battuta traveled the territory of what is now 44 countries, married at least seven times, and wrote the most comprehensive account of 14th-century life around the globe to date.

Is trypophobia real, and is there a cure?

The earthquakes, weather events, and tsunamis caused by the Krakatoa eruption of 1883 were felt even thousands of miles away.

Cochise fought for the freedom of his people, but Union betrayal and depleted resources kept him from achieving true liberation for the Apache.

The evergreen stories written by Charles Perrault are still told to children today as they're tucked into bed at night.

The Methuselah tree is so well protected as the oldest tree in the world that its location has remained unknown to the public since its discovery in 1957.

Diagnosed with autism, Stephen Wiltshire was nonverbal until age seven. Now, he draws entire cities from memory.