A kaleidoscopic warehouse-maze of handmade neon signs.

It's believed a local adventurer spent 50 years living inside this cave.

A midnight snack that lights up the night.

Cliffs full of fossils at the portal to England's Jurassic Coast.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

England's most notorious suicide spot.

The biggest and deepest Cold War bunker open to the public can be found in southeast England.

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

Competitors race wooden replicas of pungent blue cheese.

A collection of early 19th century trams set in a reconstructed period village.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

A majestic mansion designed in Mughalai style, complete with a turquoise onion dome.

This 1913 single-screen cinema is a charming survivor in the age of the multiplex.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.