One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

Bizarrely shaped rock formations in northwest Bulgaria come with equally bizarre legends.

This automated sculpture of two men peeing will spell out text messages with their micturition.

Old Danish castle immortalized in Shakespeare's Hamlet.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The "Prussian Versailles" that is as glorious today as when it was built.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A fascinating insight into daily life in the Eastern Bloc.

The prototype for all Nazi concentration camps.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Ancient snack bar of the Roman Empire re-opened.

The oldest operating pharmacy in the world features 800-year-old recipes.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This unreal Portuguese palace looks as though it's made from a pile of different castles.