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

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

An 18th century monument regularly tagged with unsettling graffiti referencing a 1940s unsolved murder.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

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

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

The oldest inn in England served brew to the crusaders.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

This centuries-old canal known as the Cuckoo Dyke has a staircase of locks suitable for a giant.

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

The star-studded street honors the city's most notable Brummies.

An engineering error ensured this cavernous 350-foot-long subterranean thoroughfare was never used as intended.

These centuries old gardens have been restored to their 17th century condition.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

This unchanged Victorian park is rumored to have been the inspiration behind Peter Pan's Neverland.

England's foremost purveyor of funeral furniture hasn't changed a bit since the 1960s.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

An enigmatic natural rock formation with a manmade passage cut through the center.

A hidden gem in the middle of the city's infamous Jewelry Quarter.

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

This muddy wooded valley and the ancient structures it hides are said to be the favored haunt of the legendary Friar Tuck.

This abandoned asylum in Wales might look haunted, but it's still beautiful.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.