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

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

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

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

One of the world's first dedicated bank buildings in the world is now the oldest one.

A wooden street sign is the last remnant of this 400-year-old alleyway.

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

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

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

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

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

A heated statue pays tribute to one of Sweden's great actresses.

This statue and park honor the Swedish chemist Jacob Berzelius, one of the founders of modern chemistry.

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

This tree was once used to calculate the decrease of the Baltic Sea.

What looks like a birch tree smushed between two pieces of glass often confounds commuters.

A prehistoric geological oddity tucked behind Stockholm's natural history museum.

An ancient tree that was once the favorite of a young Swedish royal.

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

A collection of trees from various corners of the world call Stockholm University home.

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

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

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.