A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

The haunting concrete remains of a Nazi pebble crusher can still be found in this small French commune.

Antique cinematography artifacts fill this museum dedicated to the inventors of the moving picture.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

Longest canal tunnel in the world, abandoned in the 1960s.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

These quaint French houses dangle precariously over a precipice.

Saintly bones pressed into a wax effigy of a Catholic superstar.

Avant garde house of Pierre Cardin on the Cote d’Azur.

Order a boozy baba au rhum at the oldest patisserie in Paris.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

This banal Parisian entranceway is not what it seems.

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

The reason for the strange contortions in the trunks of these "drunken" pine trees in Russia is still a mystery.

An ancient fortified mound raised over the millennia from settlements built one on top of the other.

The massive cave church of Cairo's Zabbaleen community is one of the largest Christian churches in the Middle East.

This record setting conveyor belt system can even be seen from space.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The oldest stone house in Paris was built by its most famous alchemist.

Abandoned railway line circling the city of Paris.

Geothermal resources are cooled in this oddly-shaped structure before being used for irrigation