Hidden in the hills of Hollywood, this secluded Oz-themed garden is dotted with dozens of thrones.

Hidden above a drug store on a nondescript corner of Lincoln Heights is a private clubhouse for intrepid explorers.

In the right conditions a wall of water up to five feet tall flows upstream against the current on the River Trent.

The world's smallest commercial theater is set up in what was once a urinal for Victorian men.

This 15th century pub is one of only two pubs in England situated on consecrated ground.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

A subterranean playground in an abandoned slate mine.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

Built by the patron saint of illusionists this Elizabethan manor house is riddled with secret cubbies for hiding priests.

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.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

The oldest inn in England served brew to the crusaders.

This charming railway is one of the oldest and steepest funiculars in England.

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

The former home of a railway legend and the site of a gigantic labyrinth.

Picturesque ruins once held off mighty armies.

The world's first successful water-powered cotton mill paved the way for the factories of the British Industrial Revolution.

Some of England's last cave dwellers lived and worked within this huge cave.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

An open air haven for tropical monkeys in the damp moors of the English country.

At the United Kingdom's only residential library you can sleep among the books.

This haunting stone chasm is a hotbed of mossy rock and English legend.

19th century tunnels burrowed under Liverpool.