London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

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

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

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.

Berlin's old airport.

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

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

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

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

This stunning concert hall has become a symbol of Iceland's national recovery.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

This Parisian gem is one of the most incredible ethnographic museums in the world.

A little sculpture with a large wardrobe.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

Model Trains and Much More in Hamburg.

Hamburgers are intensely proud of their tunnel beneath the river.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

This giant, 83-year-old ship elevator is an engineering feat to behold.

It's always summer at the beach inside this former airship hangar.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.