The "geometrical" center of the country, as calculated in 1947.

A semi-sterile mutant birch that became Sweden's national tree.

Controversy surrounded the creation of this anti-fascist statue.

A plaque on this tiny Swedish island commemorates an unusual Cold War standoff of Soviet submarine intrigue.

The oldest Swedish built lighthouse still guides ships through the archipelago.

Only spot in the world where an HVDC powerline, a single phase AC and a three phase AC powerline all meet.

These waste baskets play a few risque messages to discourage littering.

Once the center of power for the region's various factories.

The first overseas server for Facebook in Sweden's tundra.

A southern Swedish island is home to the last ERSTA artillery battery, meant to protect the shoreline during the Cold War.

Explore the frozen river and take a walk to a nearby island on some of the longest ice roads in Sweden.

A Swedish town came up with an out-of-the-box way to eliminate the bloodthirsty insects.

Few would expect the world's oldest preserved oil refinery to be found in Sweden.

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

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

The world's largest underground iron ore mine.

The lost American era of gunfighters, bandits, Indians and steam trains is recreated in Sweden.

An oil drilling mistake created this fountain that has been spraying water for over 150 years.

A living descendant of the famous tree that helped Isaac Newton develop the theory of gravity.

This abandoned urban warfare facility is a dream come true for airsoft and paintball enthusiasts.

The second-largest collection of runic calendar staffs in Sweden.

Believed to be the country's tallest waterfall, the Njupeskär is actually much smaller.

These miniature works of art are hiding in plain sight on buildings around the city.

This declassified Cold War bunker hosts a large collection of Swedish aircraft.