Tucked away in a downtown Stockholm park are the remains of a World War II defense position.

The Swedish flag over this small naval fort signals that the nation is at peace.

A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

18th century opera in its original splendor.

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

This Scandinavian island is the site of the first modern observatory.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

Swedish mice can dine at the Nuts of Life restaurant or take a date to the amousement park.

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

These ancient rune stones plucked from the countryside now call this university park home.

The Lund University's former gym houses a museum focusing on the creative process of art.

The indecision over what to place in this square was immortalized with a plaque.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

This antique clock once gave the most accurate time in the area.

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

This collection of Dwarf beech trees were once believed to be enchanted trolls in disguise.

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

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

From a distance, this structure looks like an ordinary office building but a closer inspection reveals a unique facade.

A water reservoir disguised as a castle stands atop a hill in a park in Stockholm city.

What looks like a birch tree smushed between two pieces of glass often confounds commuters.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

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