Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

At this museum in Iceland, visitors can sample fermented Greenland shark.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

The sunken structure looks like the victim of a catastrophic flood.

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

An aluminum skeleton brings Chinese mythology to the French shore.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

This ancient theater was once the home of fierce gladiatorial battles.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

An art world insider finds himself battling for his artistic home.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

The natural history museum displaying the British bird collections and dioramas of Edward Booth, free of charge.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

The place where houses are born.

Catering to broken dolls for almost 200 years, this repair shop is now a charnel house of doll parts.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

A neolithic tomb converted into a tiny chapel.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

This crumbling Portuguese ruin overlooks the populace it once ruled.