This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

This simple roadside art installation ended up sparking a folk art movement and a controversy of international proportions.

This Sumatran root bridge took almost 30 years to knit itself together.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

Oslo's historic toboggan run has been letting thrill seekers slide from train stop to train stop for over a century.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

This research center for rare prosimians is studying how they sleep to help prolong human life.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

This Croatian fairytale castle is slowly falling apart thanks to years of neglect.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

A miniature rainforest is growing inside of a Midtown Manhattan office building.

An ancient Ethiopian cave church is endangered by the simple building of a road.

An abandoned water sports stadium that has become a haven for graffiti and decay.

This star-shaped military outpost is now simply trying to protect itself from neglect.

A part of the world's largest marsh seems to be growing bright red Martian grass.

This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

Repurposed space and ultra-modern construction collide to create this geometric wooden spectacle.

This Brazilian astronomy museum allows guests to gaze at the stars through their telescopes each weekend.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

This Stockholm light tower can be controlled by anyone with a smartphone.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.