Although rarely used, there is still a hidden room for the royal family at the Stockholm central station.

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

The single richest source of elemental discoveries in the world.

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

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

Stockholm's narrowest alley is barely over two feet wide.

A golden egg-shaped sauna in the Arctic tundra.

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.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

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.

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

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

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

The world's largest model of our planetary system.

Stockholm's deepest subway station is also a stunning ecological wonder.

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

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

This Stockholm light tower can be controlled by anyone with a smartphone.

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.

Maybe the only restaurant in the world where your seat will be signed by a Nobel laureate.

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

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.