This natural sea cave hides a small wonderland of natural turquoise beauty.

You don't have to visit the deep blue sea to see these majestic creatures swimming wild and free.

The world’s first museum dedicated to exploring human rights unleashed a wave of controversy.

The largest single concentration of harmless garter snakes in the world is a writhing Canadian serpent orgy.

Huge spherical rocks in the middle of the prairie.

What was to be the world's most secure Cold War document vault ended up as just a few shallow caves.

A suspended footbridge allows for traversing this gorge carved through the French Alps.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

A granite rock formation littered with various species of moss, lichen, and fern.

This crack in France's seaside cliffs once hid a sinister secret.

These colorful French islands spent a stint bootlegging booze during American Prohibition.

A unique zoological park home to over 30 species of wild cats, both big and small.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

French commune at the heart of conspiracies.

This otherworldly French waterfall looks like its waters have turned to stone.

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

Trek into the depths of the cave where 17,000-year-old paintings exist alongside 400-year-old graffiti.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

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

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

An enchanting work of outsider art, full of whimsical sculptures and carvings.