Every Tuesday, students let off steam by screaming into the night air.

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

The single richest source of elemental discoveries in the world.

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

"Only the dead get off at Kymlinge."

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

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

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

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.

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

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

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

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

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

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

The world's first ice hotel is still one of the most elaborate and beautiful.

The world's largest model of our planetary system.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

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

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

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

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

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

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