One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

A Japanese video game arcade hides in the back of a Swedish pool hall.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.

This Stockholm light tower can be controlled by anyone with a smartphone.

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.

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

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

This Russian museum stresses the importance of keeping clean and even holds one of Pavlov's dogs.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Perhaps the tiniest sculpture in Saint Petersburg is a little bronze finch inspired by a song.

A city block packed with whimsical sculptures that seem to be plucked from a tiled fantasy world.

Street artists transformed this abandoned industrial neighborhood into one of Europe's largest graffiti exhibitions.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

Sweden's "good old days" painstakingly re-created in a model village.

It houses the remains of a 17th-century version of the Titanic.

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

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

A man has revenged his true love's betrayal through tears and stone genitalia.

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

Sweden's oldest animated sign is still lighting up the skyline today.

A steel paper plane is all that remains of a crashed aircraft that caused an amazingly small amount of damage.