This ancient Bedfordshire church was abandoned when the village's population slowly began migrating to new towns.

Puzzles within puzzles hide a golden treasure in this hedge maze.

A miniature village mimics the surrounding buildings so well it includes itself.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A petite castle folly in the English countryside.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

A rotting air force base is now home to rare birds and scarce plants.

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

Britain's answer to the NSA is based out of this deliciously-named circular headquarters.

Abandoned boats decaying in the largest ship graveyard in mainland Britain.

The collection contains over 25,000 items and details the painful dental practices of the past.

Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

One of the few remaining examples of 19th-century London’s attempt to clean up its reputation.

The ritual has been performed uninterrupted for nearly 700 years.

The secret wartime bunker built on the platforms of an abandoned Tube station.

An eccentric 18th century naval officer built a ship's quarterdeck on his roof, the inspiration for Mary Poppins's "Admiral Boom."

Art Deco and “Wrenaissance” mash-up, this recently restored royal residence has been home to kings and comes with secret monkey passages included.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Drink your espresso at a Victorian-era urinal in this underground-restroom-turned-coffee-bar.

Charles Babbage's proto-computer, painstakingly brought to life.

Traveling collection of amazing automata.

Pop culture has helped to keep this iconic British building from being destroyed.