This railroad track was so secretive that it was omitted from all maps.

Legend says this fabled well held part of a mythical Norse tree.

This mysterious runestone embedded in a church wall is linked to the medieval cult of Saint Erik.

Ancient burial grounds of the wealthy.

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

A rare rune stone dedicated to a woman.

A large collection of ancient runestones decorates this university courtyard.

The final resting place of the father of modern biological taxonomy.

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

A small church in Uppsala hides the grave of a renowned 18th-century astronomer.

A reproduction of a mysteriously preserved body found in the 18th-century and put on display for years before burial.

A centuries-old copper mine that once provided two thirds of the world's copper supply.

Not quite the cultural gateway between China and Sweden its designer imagined.

The world's biggest version of the popular Swedish souvenir.

The world's biggest floating museum in Gothenburg, Sweden.

A Gothic-inspired fish market is Gothenburg's best place to find loaves and fishes.

Micro-nation based around a nine-story high illegally built tower.

Ancient stone graves shaped like ships provided a Viking-like burial to carry the dead to the afterlife.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

The three colorful women depict characters from a beloved children's story.

A prehistoric geological oddity tucked behind Stockholm's natural history museum.

The final resting place of the man whose name has become synonymous with greatness.

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

These strange piles of magnetized volcanic ash travel across the desert about 50 feet per year.