One of the earliest subway stations in Stockholm, which still looks like the 1950s.

Sweden’s legendary mine with wildly deep tunnels.

Sweden's first Viking city is also the site of thousands of burial mounds.

A medieval village, with red wooden cottages around a stone church, stands as a well-preserved example of a settlement type that was once common in northern Sweden.

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

Contrasting the old concrete courthouse beneath, a modern and colorful residential marvel has emerged, stirring both acclaim and controversy.

A centuries-old copper mine that once provided two thirds of the world's copper supply.

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

Not quite the cultural gateway between China and Sweden its designer imagined.

The world's largest underground iron ore mine.

A replica of the beloved character's house, modeled after the author's own drawings.

The cheese slicer may be a Norwegian invention, but the biggest ones in the world are found in Sweden.

The world's biggest version of the popular Swedish souvenir.

The place to be if you love vintage Swedish cars.

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

A former hen house turned curiosity cabinet displays one man's lifelong fascination with cannibalism.

The world's first ice hotel is still one of the most elaborate and beautiful.

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

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.

This Finnish town on the Arctic Circle is trademarked as the Official Hometown of Santa Claus.

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

Pigduck of Turku.