There are hundreds of secret WWII bases hidden in British forests. Built to fight a Nazi invasion, they remained unknown for decades.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

What was once England's second-richest abbey is now a haunting ruin.

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

A dark Victorian well house now plays host to mystical waters and pagan shrines.

The abandoned fishing village was swept right into the sea.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

This ruined 15th-century hermitage is steeped in myth and mystery.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

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

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

This dreamy street will transport you to wintertime in Victorian England.

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

This shell of a historic manor house on the Isle of Wight is said to be the most haunted site on the island.

This ornate English estates "Prodigy House" still bears the cannonball marks of civil war.

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

19th century tunnels burrowed under Liverpool.

This coffee shop lies hidden beneath a historic church.

A labyrinthine underworld of tunnels and caverns hides beneath the city.