These medieval tunnels provided water to the city above through centuries of civil war and plague.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

Old Tudor home moved on thick iron rails to a new spot.

The abandoned fishing village was swept right into the sea.

A disastrous D-Day rehearsal was relatively unknown until this sunken tank was discovered 40 years later.

Isambard Kingdom Brunel, one of the great Victorian engineers, was the driving force behind the short-lived atmospheric railway.

One could not be blamed for literally walking all over this supposed landmark.

The unusually large seat sits atop the base of a ruined temple.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

Constructed from recycled wrought iron railroad tracks, it's been described as the most beautiful seaside pier in England.

Museum about life, death, and cannibalism in the Stone Age.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

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

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

Following years of secrecy, the hidden history of a World War II site is being brought to light.

The designer of this railway tunnel added a birthday present for himself.

On a site with a long military history, a 1980s shelter.

The stately remains of Llywelyn the Great's mighty fortress.

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

A petite castle folly in the English countryside.

The gravestone of a delicate singer-songwriter bears a fittingly introspective epitaph.

Banksy's image of a naked man dangling from the window of a sex health clinic.

Every year locals tumble 650 feet down to the bottom of the hill chasing a Double Gloucester cheese.