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

A simple stone remembers one of the most menacing horses in the Swedish military.

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

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

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

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

A 12th-century church with a medieval fresco and an intriguing “Greek runestone.”

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

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

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

A man has revenged his true love's betrayal through tears and stone genitalia.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

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

Sweden's "good old days" painstakingly re-created in a model village.

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

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

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

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

A hidden tunnel of bones in one of Malta's oldest churches.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

The final resting place of the camel who served with the Confederate Army during the Civil War.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.