A unique piece by one of the most famous sculptors of the 20th century is rotting away in a small Ontario town.

The palace for King Gustav III was never completed, but the foundation remains tucked away in this city park.

Absolutely no saxophones in the library.

Once the world's most modern observatory, this building is now a private school.

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

Celebrating the Swedish ship used in the first Arctic expedition to navigate through the Northeast Passage.

This building, previously used as a courthouse, has an unusual geological feature in its basement.

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

Sweden's largest optical telescope sits on a rooftop in Stockholm.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

A hidden bathhouse in one of Stockholm's oldest and busiest neighborhoods is open to anyone who can find it.

Dedicated to a song so popular the request to "Play Shoreline" became part of Swedish culture.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

One of the world's few mounted blue whales, its jaws are hinged open allowing visitors to descend into a lounge.

In 1909, the steepest and most difficult piece of track on the Canadian Pacific Railway was replaced with a series of spiralling tunnels cut into the mountains.

Maybe the only restaurant in the world where your seat will be signed by a Nobel laureate.

One of the world's first dedicated bank buildings in the world is now the oldest one.

This poured-concrete water reservoir is a gem of modernist architecture well-hidden in a city forest.

This hole formed by a glacier is the largest and best-preserved of its kind in Stockholm.

The composer known as the "Swedish Mozart" arranged to be buried in an unusual spot.

The center of Stockholm can be found along this quiet street.

A collection of trees from various corners of the world call Stockholm University home.

This tree was once used to calculate the decrease of the Baltic Sea.

This stone obelisk is a relic of the 17th-century Swedish mile markers.