A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This massive blockhead sculpture hides an entire library.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

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.

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.

2300-year-old Roman road connecting the empire.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

This sculpture of disembodied body parts forms a poignant memory of the horrors of World War II.

This mundane post marks the old location of the city's main postal hub.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Protecting the dead from opportunistic body snatchers.

The dance of this huge clock is a magnificent and eerie commentary on good and evil in the history of humankind.

The most loyal of little dogs, or a Victorian era publicity stunt?

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A shiny sculpture celebrating the mighty mollusk.