Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of the most iconic neon ads of former East Germany.

A spitting ode to a German serial killer.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

Metro station with a claim to rock n' roll fame.

This incredible stone temple is a monument to death, victory, and fantasy architecture.

These 18th century gardens tell a rocky story of the son of Odysseus.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A spherical "micro-nation" in the heart of Vienna.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

The resting place for anonymous victims of the Danube's dark waters.

A unique hotel for the artistic soul.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

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.

A cableway for car transport.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

Religious perseverance and cultural coexistence manifest in an architectural gem that multiple wars couldn't topple.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

An abandoned monument remembering the "Pančevo Holocaust" now stands as a shadow of its former self.

A church of bones, decorated with 40,000 human skeletons.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.