Known by many as once the world's smartest horse.

Feast on award-winning birria tacos from a food truck inside this neon robo-tiki bar.

Located inside a former record pressing plant, this recording studio pays homage to the techniques and gear of a bygone age.

An abstract representation of weather in Sweden.

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

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

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

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

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

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

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.

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

A concrete mushroom that divided Stockholm residents for nearly a century.

The only retired U.S. nuclear missile silo that is open to the public.

A research lab and hands-on museum where visitors can experiment with retro technology.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.