A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

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

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

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 deepest subway station is also a stunning ecological wonder.

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

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