Valeria Lukyanova and Justin Jedlica have spent untold dollars to look like real-life Ken and Barbie dolls — and they've caused plenty of controversy along the way.

From Helen Keller to Frank Sinatra to Carrie Fisher, even the biggest celebrities needed a little love from their dogs.

Founded in present-day North Carolina in 1585 by Sir Walter Raleigh, the Roanoke Colony and its inhabitants vanished just two years later — and their fate remains unknown to this day.

With toxic saliva, fang-teeth, and retractable jaws, you'll wish you never have to come face to face with these terrifying creatures.

Every winter for the past three decades, Icehotel in Sweden has reinvented itself as a hotel and art exhibition made of ice and snow.

In 1917, Dutch exotic dancer Mata Hari was executed by the French for working with the Germans. But her apparent role as a double agent remains unclear to this day.

Ever since they were deserted, these abandoned airports have all sat empty. Eerily, some of them were never used at all.

Though he refused to fire a gun, Desmond Doss became one of the most legendary soldiers of World War II — and saved 75 men during the Battle of Okinawa.

Known as the world's happiest animal, the smiling quokka of Western Australia's Rottnest Island is like an excitable kangaroo that's the size of a cat.

An acclaimed pianist with a heart of gold, Fred Rogers' wife Joanne Rogers was the perfect complement to her beloved husband.

The Philadelphia State Hospital at Byberry tormented its patients with almost no consequences from its opening in 1911 until it was finally shut down in 1990.