Where the lovelorn find a home for their sentimental keepsakes.

A musical instrument played by the sea.

Visitors to this library are in for a real-world education in modernist architecture.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Come for the flowers, stay for the bats!

The oldest inn in England served brew to the crusaders.

This massive blockhead sculpture hides an entire library.

2300-year-old Roman road connecting the empire.

A whimsical bridge adorned with decorative dragons.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

This bridge was constructed from the rubble of the infamous Bastille.

Medieval torture techniques with a modern conscience.

A little sculpture with a large wardrobe.

France's Lilliputian park displays over 100 of the country's monuments for visitor perusal.

The magic's in the hole!

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

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

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

Ornate limestone building now filled with geologic specimens, and more.

Less a museum than a bizarre fantasy world created by artists and engineers.

A white oak with property rights.

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