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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

A whimsical bridge adorned with decorative dragons.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

The largest fountain in Bratislava.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Now a museum, this building was once a 14th-century monastery and the place where the founder of the Dutch nation lived and was assassinated.

A seven-century-old jail tells a not-so-pleasant history of crime and punishment.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

The cutest way to stay safe in traffic.

Atop this former dutch railway office sits an interstellar work of art.

The castle still holds traces of the abandoned Roman fort it was built atop.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Eighty million natural history specimens call this gargantuan museum home.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This artificial cave looks like something out of a fairytale.

Macabre astrological automaton clock dating to the late 1400s.

Countless grotesque faces stare out from this eerie Prague art wall.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

A little sculpture with a large wardrobe.