During this yearly Welsh swimming race, competitors tread through the fetid waters of a bog trench.

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

Where, exactly, the great aviator completed her transatlantic flight has caused some trouble in Wales.

This former military airfield's claim to fame came from a lucky accident during the Second World War.

An unexpectedly extraterrestrial room in a former Victorian resort club.

An abandoned quarrying village turned commune is now a hub for learning the Welsh language.

Quirky Welsh observatory unites art and science.

Pyramid shaped monument with a tall tale attached.

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

Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.

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

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

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

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

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

This surreal art house looks like a geometric version of a small chapel.

A museum devoted to the science of color.

An open air haven for tropical monkeys in the damp moors of the English country.

Regency-era excess on the English Coast.

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

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

The twists and turns of this serpentine maze are over 170 years old.

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

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.