These warring psychedelic crags commemorate an unsuccessful military operation.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

Bridge that died in war and was resurected.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

A tiny church on a man-made island in the Adriatic.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

Each spring, residents of this Czech town hoist a 'slain' metal dragon onto the city hall to commemorate a local medieval legend

The silly symbol for an underground protest group is now scattered around the city.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

It's always summer at the beach inside this former airship hangar.

Berlin's old airport.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

Striking occult iconography on a medieval German church.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

One of the last remaining railway viaducts equipped with a transporter ferry.

The northernmost point in Denmark is a turbulent sandbar created by two clashing seas.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.