A small stone memorial marks the spot where a Bristol Beaufort aircraft crashed in 1941.

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

The twists and turns of this serpentine maze are over 170 years old.

Perhaps the only prehistoric monument with its very own public bus stop.

A legendary rocking stone, returned to its clifftop perch.

These picturesque ruins crumble beautifully into the ocean.

A circle stone within a stone circle.

Regency-era excess on the English Coast.

These "bridges" help confused bats cross the road.

A 16th-century artillery fort built to protect England against European invasion.

The abandoned fishing village was swept right into the sea.

This stone quarry was used to make axes and other tools more than 6,000 years ago.

A granite rock formation littered with various species of moss, lichen, and fern.

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Model Trains and Much More in Hamburg.

Hamburgers are intensely proud of their tunnel beneath the river.

Climb inside an iron crystal magnified 165 billion times its normal size.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The celebrated eyesore created by starry-eyed sweethearts.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

A open air theatre built on a cliff by an eccentric British woman.