This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

17th century puritan church with connections to the Salem Witch Trials.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

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

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

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

The world's oldest model village.

This historic abandoned train station looks like a stop for ghost trains.

The Bristol Camera Obscura housed in an ancient windmill.

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

Rare collection of medieval books under lock and key.

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

19th century tunnels burrowed under Liverpool.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

The largest known medieval map of the world.

This logic-defying 16th-century Tudor manor still stands to the delight and astonishment of onlookers.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

Eyam took steps to quarantine themselves and keep the plague from spreading.

One of Europe's oldest libraries.

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

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.