A futuristic, brutalist masterpiece that is also strangely prison-like.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

These warring psychedelic crags commemorate an unsuccessful military operation.

The place where World War I began.

Oriental bazaar in the heart of Sarajevo.

This abandoned Croatian stronghold never saw a great deal of conflict but it is still a beloved relic nonetheless.

The first archaeological site discovered by aerial photography.

Famously misunderstood wonder of the ancient world

Giant naked man on a hillside.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

Fascinating town where normal life interfaces with the occult.

The largest greenhouse in the world is home to over one million types of plants.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

Where the lovelorn find a home for their sentimental keepsakes.

A whimsical bridge adorned with decorative dragons.

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

A serious museum dedicated to two German comedians.

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

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

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

A German apartment building hosting as many trees as human occupants.

Legendary site where an evil bishop was devoured by rodents.