The history of German architecture is explored across this fairy-scale mini-city.

Is the centuries-old enigma of these mysterious "perjurer's footprints," where nothing ever grows, attributed to natural phenomena or to the realm of folklore?

A peat bog in southern Sweden provides a cozy and photogenic home for junked Volvos, Saabs, and the occasional American muscle car.

This 2,000-year-old stone maze is one of the oldest in the country, but its purpose is still a mystery.

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

An oil drilling mistake created this fountain that has been spraying water for over 150 years.

Gravity seems to fail at this intriguing Swedish attraction.

A cuddly version of a dark mythological creature now acts as the mascot of a town.

One man's fascination with Turkey led to this backyard mini-city.

Few would expect the world's oldest preserved oil refinery to be found in Sweden.

An eclectic sculpture park rises atop a giant pile of ashes in Sweden.

The dome-shaped reservoir of this old water tower produces unique acoustic effects.

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

This German museum devoted to the simple wonders of salt is actually built over an old saltworks.

A German artist built a home and garden filled with whimsical art pieces, like a massive, operational volcano.

The ruins of an abandoned cemetery are among the last remnants of the old village of La Boulaye before a wealthy landowner had it relocated.

This unique bridge is one of the last of its kind in Sweden.

A museum dedicated to the history of psychiatric treatment featuring a gallery of art made by patients.

The remnants of a record-setting industrial bucket system can still be found dotting the Swedish countryside.

This former hydraulic laboratory is now a woodland dotted with old engineering models.

This steel frame is a skeletal mirage of a lost 16th-century stone building.

Giant wind turbine with observation deck at the very top.

There are two dozen tanks just sitting in an open field in Lower Saxony.