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

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

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

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

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

Twice a year, this floating library delivers thousands of books to the remote islands of Stockholm’s archipelago.

A tombstone on the grounds of the royal castle marks the burial site of a Swedish king's beloved dog.

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

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

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Outside a Viking museum sits a modern-day runestone made by a Swedish runemaster using traditional methods.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.