Stockholm's famed ghost train is now on display at an art park in northern Sweden.

The fastest way to send a message before electricity was invented.

An abstract representation of weather in Sweden.

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

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

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

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

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

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.

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.

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

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A whimsical bridge adorned with decorative dragons.

A public work of art that also provides some relief from the summer heat.

This magnificent church allows travelers along one of Germany's busiest roadways a chance to rest and reflect.

A thought-provoking outdoor art installation sits in the seat of German law.

The fairy tale castle of the "fairy-tale king."

An early 20th-century bullring converted into a modern shopping center.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A collection of birches from across Sweden.

Legend has it this spring formed at the spot where a medieval Swedish king was killed.