This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

While the U.S. and Soviet Union were engaged in a space race, Poland built a UFO on the ground.

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

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

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

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

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

A 12th-century fortress containing some of Berlin's oldest buildings.

The "Prussian Versailles" that is as glorious today as when it was built.

This towering statue of Jesus provided internet to the surrounding area.

This 13th century Gothic brick castle is the largest in the world by surface area.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

The site of the first battle of World War II.

An impressive monument to Poland's independence.

A cluster of headless, armless sculptures looms within a popular Polish park.

A tribute to the first human in space.

Huge winged monument in the United Kingdom.

The largest timber structure in Europe.

These upturned herring boats make nifty storage sheds for fishing goods.

This tidal island, a sacred site in early English Christianity, was the target of a notable Viking invasion.

Come to this Polish museum to take a good, clean look at filth.

An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.