Ancient burial grounds of the wealthy.

Legend has it this spring formed at the spot where a medieval Swedish king was killed.

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

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

Stockholm's last remaining paternoster elevator.

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

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

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

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

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.

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

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

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

This collection of 80 polarizing foods aims to challenge your subjective notions of repulsion.

"Only the dead get off at Kymlinge."

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Pigduck of Turku.

A little Lady Liberty stands in the Norway town where the copper for the real thing came from.

Thousands of years of crashing waves gave this mushroom-shaped rock its svelte figure.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

Norway has built what may be the world's most beautiful public toilet.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.