The hidden lair of an alchemist rediscovered in a 2002 flood.

A battle between nature and architecture in the Cambodian jungle.

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

This floating cinema brings new meaning to the phrase "going out" to the movies.

Spend the night inside a two-story elephant villa.

The sign at the garden gate reads: "These Plants Can Kill."

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Quirky Welsh observatory unites art and science.

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

The sculptural remains of the last home of a legendary Dada artist.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

Abandoned ship reimagined as a street art canvas.

Each year a new straw behemoth is born.

Old Tudor home moved on thick iron rails to a new spot.

One family's environment-friendly hobbit-house in Wales.

One could not be blamed for literally walking all over this supposed landmark.

The world's smallest movie theater runs on solar power—an attraction in itself.

This grave resides at the crossroad of three parishes.

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

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Unusual British home built to disguise a water tower.

Amazing collection of folly buildings in Cobham, Surrey.

You will not be able to miss this building.

London's largest outsider art museum.