The first island in the world designated a light-pollution-free astronomical observation point.

The place where houses are born.

A former milk-delivery driver and his wife turn their home into a glimmering mosaic.

Lavish royal estate punctuated with heated greenhouses.

Personal garden filled with mosaics made of recycled garbage.

Colorful and chaotic stacked hotel in North Holland.

This ghost town in Belgium will lose its street art when it ceases to exist.

Two small chapels housed inside an ancient tree.

Peek through a transparent pyramid and drink in the mountain made of books.

Giant naked man on a hillside.

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

Gothic tower mentioned in Thomas Hardy poem "The Channel Firing."

The Last Home of an Executed King.

Eighteenth-century home, where Herschel discovered the planet Uranus.

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

The longest hedge maze in the world.

A 200-year-old prison that now houses a peculiar crime museum.

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

England's most notorious suicide spot.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

A house of bones — but nobody is quite sure to whom they belong.

Grotto replete with mystical designs laid out in glued shell mosaics.

The Origin of On the Origin of Species.

The oldest inn in England served brew to the crusaders.