Jean Tinguely's bizarre monster sculpture is hidden deep in a forest.

A precariously balanced goose-shaped boulder with a dark legend.

These quaint French houses dangle precariously over a precipice.

The fantastic architectural models of a French traveler.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

A beautiful and classically designed villa, with an hourly infestation of monsters.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

A unrivaled and rather horrifying collection of wax dermatological models.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

A swath of France so devastated by war it is still forbidden to go there.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

Taiwan's last Chinese character letterpress preserves the dying art of Chinese character mold making.

The smallest restaurant in the world.

A retro walk through the history of the tube.

Iconic red and white plaques show the creative names invented to navigate the city streets.

One of the most iconic neon ads of former East Germany.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

At this Oaxaca contest, artists turn purple produce into stunning depictions of saints, buildings, and La Pietà.

A golden egg-shaped sauna in the Arctic tundra.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

A 32-acre fun park dedicated to all things cheese.

A little-visited waterfall in an otherworldly landscape.

A science fiction-inspired apartment building designed by a famous Spanish architect.