A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

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

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

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

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

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

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

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.

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

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

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

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

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

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

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

It's always game time at Stockholm's only museum devoted solely to video games.

When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

The library's graceful rotunda is like a bibliophile's temple.

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