These mysterious circular formations are actually remnants of 19th century gristmills.

Sweden's southernmost prehistoric rock art is hidden just outside Gothenburg.

Gravity seems to fail at this intriguing Swedish attraction.

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

A botched 18th-century canal silenced one of Sweden's most magnificent waterfalls.

A memorial to a Swedish hockey player's "encounter" with aliens.

This statue, deep in a Swedish forest, is all alone, just like the renowned recluse would have wanted.

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

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

Ancient burial grounds of the wealthy.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.

Sweden's oldest street has not changed for nearly a millennium.

In the town of Åtvidaberg, the midday sun sets off a loud cannon boom.

This wonky bit of historical taxidermy is experiencing a second life online.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

Enigmatic bug-like sculptures mystify drivers along a Swedish highway.

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

The concrete skeletons of an abandoned Swedish town hide among the trees.

It was meant to help transport wounded soldiers to a secret underground hospital.

This Swedish automobile graveyard is a beautiful gallery of decay, but woe be to any who would steal a souvenir.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

This castle ruin in the middle of nowhere is a gem for wildlife enthusiasts.

Hundreds of mossy stones engraved with bits of philosophy, literature and random musings.

A forest of immensely tall and unusually straight oak trees planted nearly 200 years ago to build naval ships that never came to be.