A geological wonder that helped fuel myths of trolls and giants.

This oak has seen Vikings, the Black Death, and world wars pass but refuses to give up.

One of the oldest lighthouses in the world has been in continuous use since it was first built in 1531.

A wooden replica of France's famous tower.

This impressive coastal fortress was destroyed before it was finished.

A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

The trailblazing Swedish businesswoman created a beloved minty candy called polkagris.

Enigmatic bug-like sculptures mystify drivers along a Swedish highway.

A bronze, peeing self-portrait protests unequal inheritance rights.

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

An ancient Viking runestone hidden in plain view in Stockholm's old town.

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

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.

Hidden in plain sight, Sweden's official ordnance datum is now abandoned.

A temporary art piece to celebrate LGBTQ Pride is now a permanent part of Stockholm's traffic landscape.

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

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

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

One man's journey to return a stone to its point of origin after 200,000 years.

Legend says this fabled well held part of a mythical Norse tree.

The second oldest anatomical theater is housed in a museum of curiosities.

Ancient burial grounds of the wealthy.

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