Asthmatic Charles Hyett's son built a fantastical garden for his father to convalesce in, alas it was too late.

A petite castle folly in the English countryside.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

This haunting stone chasm is a hotbed of mossy rock and English legend.

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

This crumbling folly looks like an enchanted left over from Middle Earth.

A modern English garden of eccentric beasts, follies, and oddities.

This disused Cold War bunker has been restored to all of its early 60s glory.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

This neighborhood thoroughfare is haunted by dozens of homemade monsters.

A marvel of Byzantine engineering under the streets of Istanbul.

A Buddhist temple to honor insects that died for science.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

A fortress-like granary that has been continually in use for more than nine centuries.

This Canadian exhibit with claims as the largest one man taxidermy collection in North America.

Four-story concrete hotel never opened to customers.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

A pagan tradition of draping trees with rags eerily lives on.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.