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

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

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

Artists have long been drawn to these atmospheric 12th-century ruins.

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

The largest preserved walking dragline excavator in Western Europe.

This lonely memorial marks the supposedly haunted site of a brutal 19th-century murder.

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

One of the only places where Earth’s mantle lies above water.