Geodesic dome luxury retreat in the Scottish Highlands.

England's "pier at the end of the universe" unites astronomy and contemporary architecture.

A 30-acre garden inspired by the principles of modern physics.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

This sculpture is an instrument played by the swell of the seas.

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

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

The hermits of Karoulia protect their asocial lifestyles by living on the vertical face of a treacherous precipice.