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

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

A remarkable cabinet of curiosities in an art space in the center of Berlin.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

Once a path for Jewish funeral processions, this unassuming alleyway is rich in local lore.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A century-old shot ball factory tower is open to the public once a year.

This obscene artwork on the side of a newspaper office pokes fun at a rival paper's former editor-in-chief.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

This conical hill was built as a testing ground for an engineer known as the Glider King.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

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

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A surreal museum of extraordinary industrial objects.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A rare chance to ride one of the few continuous elevators still in operation.

One of the world's largest collections of pharmaceutical artifacts.

After the construction of a nearby cathedral obstructed the view, the oldest belfry in Belgium was more than doubled in height.

An astounding collection of taxidermy, fossils, skeletons, and even a few strange live beasts.