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

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

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

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

Reminders of the Battle of Berlin still scar the railway.

Tiny memorials honor individual victims of the Holocaust.

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

Cold war icon and onetime "hole" in the iron curtain.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

One of downtown Berlin's last reminders of its Communist past.

A restaurant and observation deck built in a unique broadcasting antenna.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

This bridge was constructed from the rubble of the infamous Bastille.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.