The world's first combination ski slope and power plant.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

A misnamed well, with a deep dark past.

Bridge that died in war and was resurected.

A beautiful mountaintop mausoleum devoted to a Montenegrin icon can't seem to make everyone happy.

This exclusive resort has completely covered a tiny Balkan island in a 5-star warren of guest rooms.

A curious cave church carved into the face of a cliff.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A 14th-century Serbian Orthodox church that was once converted into a mosque under the much-disfavored Ottoman Empire.

An unfinished Serbian Orthodox church with 1,389 golden crosses planned to represent the Battle of Kosovo.

A UNESCO-protected spiritual seat of the Old Serbian Kingdom and Empire.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A futuristic, brutalist masterpiece that is also strangely prison-like.

A 11-foot former president stands on a Kosovo street that also bears his name.

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

What happens when you cross a mayor and a painter?

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.