A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

What happened to the three lighthouse keepers who vanished from this place remains a mystery over a century later.

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

After years of slow decline, a derelict Gothic castle is now being restored to life.

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

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

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

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

The healing properties of this well attracted royals and commoners throughout the Middle Ages.

A trio of giant megalithic stones in the middle of a golf course.

Described by William Wordsworth as a "World of Wonder."

These semi-natural waterfalls hint at the park's Victorian-era industrial past.

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

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

A petite castle folly in the English countryside.

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

A magnificent, iconic stone tower in the Scottish Highlands.

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

These legendary stone steps were once used to haul coffins up the rockface.

Each spring this woodland floor is carpeted with purplish flowers as far as the eye can see.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

A village on the east coast of England that has almost completely eroded into the North Sea.