Rome's semi-secret peephole vista is also a former Crusader stronghold.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Home to three historic ships from the age of Vikings.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

Science fiction's grandfather has a fittingly marvelous tomb.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

Extensive private collection of authentic Medieval devices used for human torture and execution.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Museum preserving torture methods from the past.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

The history of whiskey and all of its boozy glory, from Colonial days to modern American cocktail culture.

Moonbows over Kentucky.

The largest earthwork effigy in the world.

A Rodeo for Prisoners.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.