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

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

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

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Tiny memorials honor individual victims of the Holocaust.

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

Metro station with a claim to rock n' roll fame.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

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

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Macabre astrological automaton clock dating to the late 1400s.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

Open-air museum with a large collection of Soviet-era statues.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

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

A 20th-century picture show in 3-D.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

Where commuters walk through remnants of an ancient Greek necropolis.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.