Reminders of the Battle of Berlin still scar the railway.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

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

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

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

Started as a kitchen garden, now the second largest botanical garden in the world.

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

Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

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

A stairway to heaven, or to nowhere at all.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

A subterranean display of public art and architecture.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

The relics of dozens of martyrs are stored in a single chapel.

One of the world's heaviest musical instruments towers within a popular urban park.

Art and a pun, all in one.

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

The most visited, and possibly most controversial, museum in Germany.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

A garden in Lisbon filled with giant porcelain creatures.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.