18th century opera in its original splendor.

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

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

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

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.

This centuries-old rooster survived a devastating fire.

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

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

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

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

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

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

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

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