This poured-concrete water reservoir is a gem of modernist architecture well-hidden in a city forest.

A colossal strolling Pinocchio that was greeted with more outrage than whimsy.

An ornate Thai pavilion in the middle of Sweden.

The second-largest collection of runic calendar staffs in Sweden.

A traveling Bronze Age sacrificial stone that was used to honor elves, fairies, and other woodland spirits.

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

The charming storybook building now houses a small police museum.

Uppsala's adorable feline sign celebrates a popular children's book set in the Swedish city.

Archaeologists are still unraveling the secrets of the brutal massacre that wiped out this ancient fort.

A nightly tradition fills the streets of Flogsta with a collective scream.

Ancient burial grounds of the wealthy.

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

Iron Age grave stones and Viking burials, a short drive from Gothenburg.

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

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

An incredibly durable timepiece glows beneath shoppers' feet.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

A subterranean house of worship carved right out of the bedrock.