This remote Scottish isle is only inhabited by seals, birds, and the memory of a tragic settlement.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

These haunting ruins belong to an ancient village that once had one hell of a view.

This skewed English house has looked like it's going to fall over for centuries.

The abandoned funicular tunnel was a secret base for the BBC during World War II.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

Oxford University's stateliest library seems designed to make students truly feel the weight of knowledge.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

A spooky juxtaposition of caves and graves gives this legend-filled cemetery a particularly haunting vibe.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

A circle stone within a stone circle.

A mysterious bridge over a sunken Roman road.

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

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.