A misnamed well, with a deep dark past.

A Serbian church lit by chandeliers made of weapons.

This stone figurine was made more than 6,000 years ago and depicts a female deity of the Neolithic Vinča culture.

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

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

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

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

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

Stockholm's deepest subway station is also a stunning ecological wonder.

This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.

A temporary art piece to celebrate LGBTQ Pride is now a permanent part of Stockholm's traffic landscape.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

Stockholm's tiniest statue is of a small boy looking at the Moon.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

Stockholm's narrowest alley is barely over two feet wide.

One of the world's first dedicated bank buildings in the world is now the oldest one.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This floating sculpture of ice is a poignant reminder of nature's power.

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

Christ's blood allegedly preserved in a Belgian town.