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

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

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

Picturesque ruins once held off mighty armies.

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

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

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

One of the world's oldest trees comes with a Welsh legend intertwining it with a spirit prophesying death.

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

This Roman amphitheater is said to be King Arthur's legendary Round Table.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

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

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

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

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

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

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

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

The stately remains of Llywelyn the Great's mighty fortress.

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.

At the United Kingdom's only residential library you can sleep among the books.

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