This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An eerie, derelict amusement park in Berlin.

His "Lionheart" is entombed separately from the rest of his body.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

Art and a pun, all in one.

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

This stone amphitheater was once part of Nazi Germany's plan to promote propaganda.

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

Ruins of a German Castle on top of a towering stone pillar.

Inside this Jewish cemetery is a memorial to soldiers who deserted the German army and were executed.

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

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

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.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

Reminders of the Battle of Berlin still scar the railway.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

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

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

A haunting contrast of trains that both saved and took the lives of Jewish children in Nazi Germany.