This unique architectural wonder is home to luxury apartments.

When this Iron Age bog body was discovered in 1835, it was thought that she had died recently.

Hidden in plain sight, the origin of these embedded skulls remains the stuff of legend.

This tranquil urban park has a violent history.

Giant topiary dog once played a role in a terrorist bomb plot.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

This enchanting spring, steeped in local lore and a touch of royal history, was said to be the place where newborns were collected, rather than being delivered by storks.

A former smithy turned cultural hub with the capital's largest mural space.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

A tunnel commissioned by ‘the Intruder King’ to escape from the palace if there were problems.

The earliest known map to show America, discovered by accident at a Paris bookshop.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This little sun pays homage to a massive gate that once stood at this location.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This small museum tucked within a subway station holds pieces from Madrid's past.

One of Madrid's most beloved statues is of an anonymous citizen.

A small but stubborn relic of Spain’s turbulent past hides in plain sight.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

Explore the frozen river and take a walk to a nearby island on some of the longest ice roads in Sweden.

The first overseas server for Facebook in Sweden's tundra.

A medieval village, with red wooden cottages around a stone church, stands as a well-preserved example of a settlement type that was once common in northern Sweden.

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