Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A pair of connected skyscrapers form this symbolic gateway.

A Serbian church lit by chandeliers made of weapons.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

The video game-themed street art first popped up in the French city.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Dedicated to the outnumbered Finnish forces who pushed back Soviet forces during the conflict.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

The tiny, studious rodents greet visitors to the National Archives of Finland.

An alien church provides much needed silence in the midst of a Finland shopping center.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

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

A heated statue pays tribute to one of Sweden's great actresses.

An abstract representation of weather in Sweden.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

A 130-year-old urinal is the oldest of Stockholm and perhaps all of Sweden.

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

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

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.

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

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

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