This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

This German art chapel is perfect for those who like their worship hard, modern, and utterly alien.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

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.

Huge stone depressions which may have acted as an Incan agricultural experiment.

Founded as a refugee camp, now a popular tourist spot.

The world's first ice hotel is still one of the most elaborate and beautiful.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

A natural arch offers panoramic views of Yangshuo's karst hills.

An ancient city exhumed from the depths of the ocean.

This collection of historical artifacts and tropical wildlife waits just beneath the surface of the water.

A full-size replica of this well-preserved temple lets you take a walk through the Mayan age.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

Over 300 wood sculptures depicting characters from Slavic, Greek and Western folk tales fill this magical garden.

This abandoned Slovenian military barracks has become a punky-political art squat.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

Unusual building appears to be haphazardly built from randomly piled bricks.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

Two distorted Romanesque columns hold aloft a mine cart in honor of laborers who died during WWII.