The site of one of the largest non-nuclear explosions in history, created when a massive bomb dump accidentally exploded.

Most of Britain's gold reserve was secretly stashed here after the start of World War II.

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

A long-overdue monument to the forgotten British men drafted into the coal mines during World War II.

Final resting place of John Middleton "The Childe of Hale."

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

A great example of the inventive canal bridges that were deliberately split down the middle.

There's a labyrinth of manmade tunnels stretching for over an acre beneath Bristol.

Local lore says passing infants through its holes could magically cure them of measles and rickets.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

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

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

A memorial to the politician who became Great Britain's first fatality to be caused by a locomotive.

A remote gravestone on the moor marks the spot where a teacher's body was found under mysterious circumstances that remain inexplicable.

The longest stone bridge in England has an impressive history that dates back over 700 years.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

A place of remembrance for the Prime Minister that met a violent end.

The heroic tale of a remarkable pup who refused to leave her master's side, no matter what.

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

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

Marking the ancient boundaries of asylum around Beverley Minster.

A hunk of prehistoric lava rests amid the Gothic architecture of a campus quad.

The first German gnome who popularized the garden decoration.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.