A bizarre form of natural mummification was discovered in the church of this Frisian village.

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

This towering church is home to a world-famous organ and a treasure trove of medieval art.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

This public toilet built in the famous Amsterdam School architectural style is a Dutch national monument.

One of the great math minds of the 17th century is underfoot in this 900 year old Dutch church.

A market built atop boats is one of the few floating holiday markets in Europe.

A wealthy aristocratic family built this Disney-worthy, fairy-tale castle.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

This museum is home to a sugar sculpture of the Berlin Airlift Memorial.

Started as a kitchen garden, now the second largest botanical garden in the world.

A statue of Vladimir Illyich Lenin guards this abandoned building in the "Forbidden City."

Several of these strange cone-shaped bunkers can still be seen around the former Nazi headquarters.

This conical hill was built as a testing ground for an engineer known as the Glider King.

Tallest - but not most powerful - wind turbine in the world.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

A radio tower with something unusual between its legs.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

The home of the morbid art of corpse plastination is open for visitors to view the fascinating, but stomach-churning process.

This park built on a former fortress has a reputation for romance.

A mysterious "wedding cake" castle in the middle of the urban desert.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

These ancient pecked images are among the oldest and best-preserved in Mongolia.

A collection of old steam and diesel locomotives sitting in a fenced-off garden.