The Argonaute submarine was the French navy's pride and joy in the 1950's.

The unique design of these skyscrapers in a Paris suburb led to them being nicknamed "cloud towers."

A suburban housing complex with astonishing architectural features, locally nicknamed "the Camemberts."

This metal monument marking the middle of Belgium represents three regions coming together to form one country.

Once a luxurious flagship of the Soviet Union, this Brutalist structure remains a landmark of Tashkent’s communist past.

From motorcycles to firetrucks and sports cars to horse-drawn carriages, this Belgian collection goes beyond rare cars.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

Prowl through this sprawling bazaar under a massive Soviet-era dome for delicious eats.

A diminutive statue that was inspired by the sculptor's own daughter.

Third time's a charm, or in this case, two testicles are.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

The birthplace of most all of Europe's space missions is here on the Dutch coast.

The first home and studio that belonged to the famous architect.

After an Illinois church was struck by lightning and burned down, Frank Lloyd Wright designed this replacement.

For more than a century, Parisians have come for affordable dishes in a grand converted train station.

Home to what was once considered the largest gate in central Asia.

An underground world of gorgeous, palatial metro stations designed as a nuclear shelter complex.

A fortified palace in the shape of a ship on the Thiou river.

The woman who helped save 15th-century France was born in this humble home.

This impressive chasm is one of the longest natural underground cavities in the world.

A 600-year-old elm tree with a built-in seat and thatched roof.

A piece of the front end of a British cruiser that was used as a block ship in World War I.

The oldest cemetery in Belgium.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.