A wooden street sign is the last remnant of this 400-year-old alleyway.

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

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

A museum that dives into Sweden’s maritime past through preserved shipwrecks and interactive exhibits.

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

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

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

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.

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

This enigmatic artifact remained buried in a churchyard for years.

Model Trains and Much More in Hamburg.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

The traveling wares of Denmark's most famous author.

Four whimsical figures make for an unexpected sight along an urban commuter route.

The world's first combination ski slope and power plant.

A steam powered train that runs on city streets.

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

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

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

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

A 130-year-old urinal is the oldest of Stockholm and perhaps all of Sweden.

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

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

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