The eccentric mansion of one the most popular horror authors of modern times.

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Malcolm X's house during his most formative years faces an uncertain future.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

When you can't get to the Pacific, just go to Florida.

This small Key West museum is packed with dozens of artifacts that illustrate the life of the iconic playwright.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Former villa and estate of James Deering developed to preserve native tropical forests.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

An underwater city for the dead.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

The subtle science of a master molecular gastronomist.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

All that remains of the once-booming chain is a single orange-roofed restaurant.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

Ham is serious business at the Prosciutto Museum-Serious, delicious business.

The giant skeleton sculpture is surprisingly well-traveled.