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

Early habitat dioramas and home of the elusive gaff, the skvader.

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

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

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

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

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

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

The world's largest model of our planetary system.

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.

The most loyal of little dogs, or a Victorian era publicity stunt?

A book bound in the skin of an infamous criminal, along with countless other specimens.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.