This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

Copenhagen's celebrated theme park and gardens.

Where the lovelorn find a home for their sentimental keepsakes.

A little sculpture with a large wardrobe.

Hiding the longest subterranean river known in the world.

Climb inside an iron crystal magnified 165 billion times its normal size.

The world's first and only three-segment bascule bridge folds up into the shape of a capital "N" to let boat traffic through.

Fantastic views and thousands of love locks.

A fearsome dragon clings to a corner of Munich's city hall.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

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

The great Danube river starts here.

The prototype for all Nazi concentration camps.

These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

A striking 12th-century-style castle built on the edge of a cliff.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

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

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

Ruins of a German castle on top of a towering stone pillar.