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

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

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

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

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

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

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

Striking occult iconography on a medieval German church.

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

The highway's southernmost spot is a beloved local attraction.

A monument celebrating the idea of reaching inaccessible places.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

In Houston's airport, a cow is properly equipped to jump over the moon.

Yo, Adrian!

This elaborate towering structure was once famed for its revolutionary height.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

The largest fountain in Bratislava.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.