This pair of unsuspecting buildings are in fact the very first modern skyscrapers in Europe.

Crystal chandeliers brighten up this dark underpass.

A temporary art piece to celebrate LGBTQ Pride is now a permanent part of Stockholm's traffic landscape.

Inside this church, a monument honors the first burial site of the famed philosopher.

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

A plaque marks the house in Stockholm where the French philosopher René Descartes lived up until his death.

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

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

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.

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

A golden egg-shaped sauna in the Arctic tundra.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

The world's largest model of our planetary system.

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

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

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

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

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

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

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.

Hundreds of notes give thanks to the patron saint of lost causes.

Special benches that play Chopin's music are scattered throughout his native city.