Architectural monsters are devouring this palace's every door and window.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A fairy tale castle in modern Rome.

This eatery re-creates dishes from the Ottoman Empire so you can dine like a sultan.

This ancient town is full of stunning Ottoman architecture and streets so narrow trash collection is done by donkey.

This museum was invented in a novel before being made real by the author.

Housed in an old British jail, this spot serves up Georgian, Russian, and Ukrainian specialities with a side of Turkish history.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

Mysterious craters may have been home to an ancient cult.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

A pub that is literally in the middle of nowhere, but continues to do business.

This museum explores the history of the book, from scrolls to mass-produced objects through tools, stories, and massive cast-iron binding machinery (some of it operational).

"Di amigo y entra" at this Argentinian Middle Earth-inspired pub.

An archaeological site believed to be the burial place of the "mother of us all."

Quirky outsider art transforms this garden shop into a little stone fantasyland.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

If you forgot something to read during your trip to Tokyo, this hostel has you covered.

Rumored to be the famed pirate's lookout tower, this historic stone structure is now just watching for tourists.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The oldest church in Iceland is one of the few to feature ornate decoration.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Hidden in this modern shopping center is a relic of 16th-century capital punishment.

This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.