The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

A showcase of canine neckwear spanning five centuries of doggie fashion and function.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

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

Beasts and branches swirl in sandstone carvings, interrupted by one strange creature.

The remains of centuries of copper mining appear like an alien landscape.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

An open air haven for tropical monkeys in the damp moors of the English country.

This historic abandoned train station looks like a stop for ghost trains.

A hundred copies of Antony Gormley's naked body stare out across the water.

Used as an example in one of the first dictionary entries for "museum" in 1706.

This lonely cast-iron structure is the only wave-washed lighthouse of its kind left in all of Britain.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

The curious and tiny collection contains some very odd objects.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Giant naked man on a hillside.

Geodesic dome luxury retreat in the Scottish Highlands.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

The Origin of On the Origin of Species.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

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