Greenland's first shopping mall also hosts the country's government.

It might look like just a pile of sticks—because it is. But there's a dark history to how this stack got its start.

This imprint of an old computer keyboard has a unique backstory.

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

This overlooked street light once served as a KGB dead letter box.

Berliners converted a bombed-out, disused lot into a community-run urban farm with its own cafe and bar.

For centuries, Germans have been dancing in trees.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.

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

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The bridges portrayed on EU currency aren't fictional anymore.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

A unique attraction and museum dedicated to exploring iconic roadside structures.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

This historic toy museum brings a little whimsy to a city not usually remembered for such things.

Remnants of a Victorian garden feature sitting in public woodland.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.