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

Enormous ants wielding giant pine needles guard a Stockholm real estate company's office.

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

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

Every Tuesday, students let off steam by screaming into the night air.

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

It's always game time at Stockholm's only museum devoted solely to video games.

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

These coffin-like Brutalist balconies were inspired by a nearby mine.

Not quite the cultural gateway between China and Sweden its designer imagined.

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

A nightly tradition fills the streets of Flogsta with a collective scream.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

This luxury hotel suite is located deep in the bowels of an old mine.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

A German apartment building hosting as many trees as human occupants.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Malaysian fireflies create a dazzling display as thousands light up in unison.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

An entertainment center in a huge transparent tent.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.