Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

This ordinary street was made infamous by a legendary visit from the devil.

Once a meeting point for great thinkers, and the midpoint of the country.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Inside this church, a monument honors the first burial site of the famed philosopher.

A statue that stood at the center of a long copyright battle.

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

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

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.

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

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

This unique sculpture is often overlooked by pedestrians.

This centuries-old rooster survived a devastating fire.

A wooden street sign is the last remnant of this 400-year-old alleyway.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

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

Enormous ants wielding giant pine needles guard a Stockholm real estate company's office.

Stockholm's last remaining paternoster elevator.

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

A plaque marks the house in Stockholm where the French philosopher René Descartes lived up until his death.

This giant subway sculpture celebrates the fruit that inspired the theory of gravity.