An intricately decorated tiny place of worship.

An odd museum dedicated to French fakes.

The topiary maze at the Habsburg hunting lodge.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Tiny castle in the middle of the Rhine made you pay to pass.

This replica of the Greek structure is in the heart of Nashville.

France's most famous cemetery, with some of its most curious tombs.

One of the largest caves in the world open to the public.

It houses the remains of a 17th-century version of the Titanic.

Metro station with a claim to rock n' roll fame.

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

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The world's most famous cheese caves.

A giant bug impaled on a 75-foot-tall needle.

Cold war icon and onetime "hole" in the iron curtain.

Fortified medieval tower house with lovely roof garden.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

Flamboyant architecture from the turn of 20th century.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.