Part of an abandoned19th-century fortress hides in plain sight inside a modern office building.

The world's largest model of our planetary system.

This giant crucifix is like U2's Joshua Tree for Swedish death metal fans.

A Japanese video game arcade hides in the back of a Swedish pool hall.

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

A former suicide bridge is now accumulating symbols of love instead of a body count.

A steel paper plane is all that remains of a crashed aircraft that caused an amazingly small amount of damage.

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

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

One of the world's oldest continuously operating meteorological stations sits on a hill in Stockholm.

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

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

A small flooded ghost town with a few scattered structures remaining.

An unassuming London park is actually a pilgrimage site for modern clowns.

These marks in Myddelton Passage aren't your run-of-the-mill vandalism, and they weren't made by your typical vandal.

An abstract representation of weather in Sweden.

This unique sculpture is often overlooked by pedestrians.

Stockholm's last remaining paternoster elevator.

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

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

A miniature model of the iconic Stockholm department store.

Finally reunited, the three effigies now stand in a museum courtyard.

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