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

A scale model of the world's largest existing lensed telescope.

The apartment where Pippi Longstocking came to life.

The palace for King Gustav III was never completed, but the foundation remains tucked away in this city park.

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

Sweden's first electric elevator remains hidden within a fortress-like building.

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

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

Sweden's largest optical telescope sits on a rooftop in Stockholm.

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

Stockholm's last remaining paternoster elevator.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

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.

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

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

Located in an old church, this brewery produces a different kind of holy water.

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

Frequent fliers welcome in this airplane hotel.

This grisly exhibit houses skeletons and weapons from a devastating 14th-century clash.

No one knows who's responsible for decorating this tunnel with stuffed animals, but the people love it enough to protest their removal.

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.

Eat a Nobel banquet from any year in the basement of Stockholm's City Hall.