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

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

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

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

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

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

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

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

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.

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

This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

A stunning gilt bronze relief denounced by Hitler as "degenerate art"—even though it was dedicated to the Nazi leader.

Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

A spitting ode to a German serial killer.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

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

This unique sculpture is often overlooked by pedestrians.

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

Dedicated to a song so popular the request to "Play Shoreline" became part of Swedish culture.

This collection of Dwarf beech trees were once believed to be enchanted trolls in disguise.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.