Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

A Bibliophile's Dream.

Less a museum than a bizarre fantasy world created by artists and engineers.

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

These winged Maya figures are the subject of speculation and conspiracies.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

Few of the many visitors to this resort town know of its hidden Maya ruins.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

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

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

This restaurant's specialty is "a major enigma for food historians."

A little sculpture with a large wardrobe.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

The castle still holds traces of the abandoned Roman fort it was built atop.

Recently restored menagerie of Victorian-era beasts.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.