In the town of Åtvidaberg, the midday sun sets off a loud cannon boom.

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

A forest of immensely tall and unusually straight oak trees planted nearly 200 years ago to build naval ships that never came to be.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Norway has built what may be the world's most beautiful public toilet.

This monument pays homage to a classic Dutch tune.

A Dutch museum preserves the world's most diverse collection of vertical slices of soil.

For years, the remains of this ancient Roman fortress were hidden under an orchard.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

Once the world's biggest telescope, it was later used as a coat hanger by a famous Dutch astronomer.

Inside this metro station is a section of the city's former medieval fortification.

This small museum located under the famous cube houses, is home to some 30,000 chess pieces.

The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

Where royalty waits in the height of luxury.

Elegant marble and old vaults fill this historic Dutch bank turned office space.

Two gravestones clasp hands over the religious divide.

This neighborhood of futuristic ball houses looks like an alien settlement in a science fiction film.

Incredible labyrinth of man made caves.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

This cheese shop also houses a museum devoted to Dutch dairy.

This statue and park honor the Swedish chemist Jacob Berzelius, one of the founders of modern chemistry.

Unfortunately, you can no longer spend a night in this single-person treetop hotel.