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

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

Small Easter eggs are hidden in the ventilation holes of the city's newest trains.

Sound travels strangely in this underground whispering gallery.

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

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

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

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

The 19th-century home of Count and Countess von Hallwyl is now a museum.

A heated statue pays tribute to one of Sweden's great actresses.

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

Finally reunited, the three effigies now stand in a museum courtyard.

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

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

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

Early habitat dioramas and home of the elusive gaff, the skvader.

There's something in the air as history repeats itself at this museum dedicated to the Swedish pop band.

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

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

An abstract representation of weather in Sweden.

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

A water reservoir disguised as a castle stands atop a hill in a park in Stockholm city.

It's always game time at Stockholm's only museum devoted solely to video games.

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