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.

This massive subterranean fissure is known as the "underground Grand Canyon."

This one-time health resort was used by aristocrats around the world.

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

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

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Steadily reminding Czechia of its past.

Looming communist pillar with a Czech twist.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

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

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Macabre astrological automaton clock dating to the late 1400s.

A little sculpture with a large wardrobe.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.

The 20-mile causeway that separates the Netherlands from the sea.

This giant radio telescope would be a rusting ruin if it hadn't become such a beloved relic.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

Remarkably preserved body discovered in a peat bog.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.