This stone memorial commemorates a group of French patriots slain by French fascists.

Series of underground houses inhabited continuously for centuries.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

A small town hallucinates en masse - Bad bread, or CIA science project?

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.

The widest waterfall in Europe is a natural wonder and one of the only places where fish are caught in the air.

These layered sandstone mountains in China look like they are made of pressed crayons.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

A massive natural rock arch gives the Tuscan mountain its own window to the sky.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

Stroll through retro Paris while shopping for old postcards and discarded doll heads.

This Manchester laundromat is hiding something.

This ancient rock painting is the oldest evidence of humans’ love affair with honey.

A significant cache of prehistoric valuables is on display in an unassuming museum tucked inside a town hall.

A house of courtship where the Jazz Age's most storied lovers got their start.

In this coastal town, the time-honored tradition of reenacting the struggle between the Christians and Moors includes the arrival of the Moorish fleet.

Possibly the oldest masonry dam in all of Europe.

Fascinating exhibits of prehistoric and ancient artifacts displayed with a uniquely modern touch.

A well-restored ancient archaeology site gives a real feel for life during the Roman age.

A two-inch thick solid brass rod that extends an astounding one kilometer straight into the earth.

Thousands of flowers create enchanting pink tunnels over the city streets.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.