The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

Along the banks of the Teltow Canal in southwestern Berlin stands one of the city’s most controversial buildings, a hulking Brutalist laboratory that looks more like a warship than a research facility.

A towering monument to war, located on a beautifully peaceful hill.

Super-heavy Nazi architectural experiment.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

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

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

Berlin's old airport.

A Syrian family keeps memories of their homeland alive at this sweet shop.

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

Where once there was a train station bathroom, there is now this German burger joint.

This monumental work of art symbolizes the coming together of a previously divided city.

An eerie, derelict amusement park in Berlin.

An abandoned swimming pool decays on the outskirts of Berlin.

A small hippo-shaped fountain in Berlin, Germany.

A statue of an astronomer gazes at the sky as a tribute to Caroline Herschel.

An old department store turned Nazi prison turned artist commune.

One of the few Tudor palaces in Germany, which hosted a historic WWII meeting.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

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

Step back in time at this 19th-century kiosk.

The world's oldest bookshop still in operation.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.