One of the world's oldest continuously operating meteorological stations sits on a hill in Stockholm.

This statue and park honor the Swedish chemist Jacob Berzelius, one of the founders of modern chemistry.

One of the world's first dedicated bank buildings in the world is now the oldest one.

These airport hangars are now a bustling shopping center with only hints of its past still lingering.

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

A concrete mushroom that divided Stockholm residents for nearly a century.

Sweden's oldest animated sign is still lighting up the skyline today.

"Only the dead get off at Kymlinge."

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Twice a year, this floating library delivers thousands of books to the remote islands of Stockholm’s archipelago.