The apartment where Pippi Longstocking came to life.

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

Although rarely used, there is still a hidden room for the royal family at the Stockholm central station.

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

Frequent fliers welcome in this airplane hotel.

Walking through this narrow gorge will make you feel like you've fallen into a fairytale landscape.

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

The single richest source of elemental discoveries in the world.

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

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

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

Micro-nation based around a nine-story high illegally built tower.

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

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

A golden egg-shaped sauna in the Arctic tundra.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

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

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

The world's largest model of our planetary system.

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

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.