This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

This huge concrete map of Scotland was built as a thank you gift from a Polish soldier.

Giant naked man on a hillside.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

Puzzles within puzzles hide a golden treasure in this hedge maze.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

The oldest continual pilgrimage site in Britain was supposedly created by a gruesome beheading.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Three bridges straddle a stream, one stacked upon the other.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

A pagan tradition of draping trees with rags eerily lives on.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The largest greenhouse in the world is home to over one million types of plants.

400-year-old garden, restored to beauty.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

England's most notorious suicide spot.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.