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

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

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

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

Stockholm's tiniest statue is of a small boy looking at the Moon.

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

Sound travels strangely in this underground whispering gallery.

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

"Only the dead get off at Kymlinge."

A former suicide bridge is now accumulating symbols of love instead of a body count.

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

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

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

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

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

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.

The world's largest model of our planetary system.

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