A Japanese video game arcade hides in the back of a Swedish pool hall.

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

Stockholm's last remaining paternoster elevator.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Part of an abandoned19th-century fortress hides in plain sight inside a modern office building.

The Swedish flag over this small naval fort signals that the nation is at peace.

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 steel paper plane is all that remains of a crashed aircraft that caused an amazingly small amount of damage.

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

There are hidden patterns on the subway seats of some Stockholm metro cars.

This poured-concrete water reservoir is a gem of modernist architecture well-hidden in a city forest.

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

A prehistoric geological oddity tucked behind Stockholm's natural history museum.

Celebrating the Swedish ship used in the first Arctic expedition to navigate through the Northeast Passage.

A collection of trees from various corners of the world call Stockholm University home.

Not far from the busy city lie these remains of a time when the world was on fire.

A statue that stood at the center of a long copyright battle.

The cheese slicer may be a Norwegian invention, but the biggest ones in the world are found in Sweden.

This little gallery is devoted to one small town's passion for a very special cheese.

A tiny village is home to the world's only diner completely devoted to the many varieties of traditional Swedish dumplings.

The first overseas server for Facebook in Sweden's tundra.

The world's first purpose-built indoor shopping mall opened in Sweden in 1955.

A heated sculpture pays tribute to an actor who loved hugs.