Its collection includes a broad array of social, geographic, graphic design, and political history.

The sanctuary seems to either float atop the water or sink into the dirt, depending on the water level.

While most bridges allow roads to pass over water, this one allows water to pass over a road.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

Atop this former dutch railway office sits an interstellar work of art.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

The Netherlands' first car tunnel has an unusually rectangular shape.

A modern reimagining of a medieval city gate.

A miniature model of the iconic Stockholm department store.

Sound travels strangely in this underground whispering gallery.

Stockholm's tiniest statue is of a small boy looking at the Moon.

The world's largest model of our planetary system.

This giant subway sculpture celebrates the fruit that inspired the theory of gravity.

It houses the remains of a 17th-century version of the Titanic.

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

Sweden's oldest animated sign is still lighting up the skyline today.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

Stockholm's deepest subway station is also a stunning ecological wonder.

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

The library's graceful rotunda is like a bibliophile's temple.

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

A plaque marks the house in Stockholm where the French philosopher René Descartes lived up until his death.

Stockholm's last remaining paternoster elevator.

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