The artist David Nash planted a circle of trees in 1977.

An unexpectedly extraterrestrial room in a former Victorian resort club.

A Welsh sheep farm provides daily (non-sheep) meals to red kites, producing dazzling displays of aerial acrobatics.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

This former Welsh metal factory is now a lovely abandoned relic but was once one of the industry's world leaders.

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

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

Legends say that this small island was the final resting place of the Welsh saint of lovers.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

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

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

Picturesque ruins once held off mighty armies.

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

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

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

A breathtaking flower tunnel bursts with beautiful golden blossoms.

One family's environment-friendly hobbit-house in Wales.

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

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

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

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

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.