This crescent-shaped sliver of sand is a magical haven for a herd of feral horses.

The remains of the concrete ship can be seen during low tide.

A steep and winding road in the Yorkshire Dales passes by these deep natural potholes.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

Abandoned ship reimagined as a street art canvas.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

A section of a historic wooden trestle viaduct is preserved next to the railway line it once carried.

This former military airfield's claim to fame came from a lucky accident during the Second World War.

Go back 50 years with a turn on one of the park's carefully restored vintage fairground rides.

The longest and tallest aqueduct in Britain can actually be sailed across.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

The decaying ruins of Wales' first asylum for the mentally ill.

Stumbling upon this whimsical wooded garden is like stepping into an enchanted forest full of philosophical musings.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.

A line of abandoned, alien-like fortresses dot the mountains of North Italy.

Artist Diego Morlin's war between the natural and human worlds is a wanderer's delight.

A madman's personal garden filled with 1,000 sculpted heads.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.

A sulfuric hellscape in southern Italy.

These delicate sand pyramids look like naturally occurring gothic spires.

A domed disco abandoned since the '70s now attracts artists and explorers under its unique roof.

Southern Italy's spinning top village.