The standard measure of Lagom, a measure of what is enough.

The wilderness of northern Sweden is full of shelters to protect people from sounding rockets returning from space.

The official meeting point for the oddly named governing assembly of ancient Sweden.

Micro-nation based around a nine-story high illegally built tower.

A response to the wrongly placed meridian of the same name.

The marker that allows students all over the world to be late for class.

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

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

A tombstone on the grounds of the royal castle marks the burial site of a Swedish king's beloved dog.

The ruins of a monastery where Saint Bridget of Sweden had her revelations recorded.

Uppsala's adorable feline sign celebrates a popular children's book set in the Swedish city.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

It was meant to help transport wounded soldiers to a secret underground hospital.

"Only the dead get off at Kymlinge."

The world's northernmost botanic garden has 25 collections of plants from arctic and alpine regions.

The world's first and only escalator for lazy bicycles and their daunted riders.

The world's northernmost aquarium looks like it has fallen over.

The people murdered during a 17th-century Norwegian witch hunt have been honored with a pair of stark, modern installations.

Once the nail factory shut its doors, this Swedish factory town was abandoned, leaving behind a modern ghost town.

The world’s narrowest house makes for an awkward, four-foot-wide living space.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

A series of playful yellow penguins share a serious message about the environment.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.