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.

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

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

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

A close look reveals that the Scottish monument is just slightly off-kilter.

Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

Largest lake in Great Britain measured by surface area.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This little-known hero has been protecting "The Fens" for close to 400 years, and now from its most powerful challenger yet: climate change.

London's marvelous wildfowl reserve along the Thames.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

A measuring mishap led to these artificial stone ladies losing their stomachs.

Banksy's image of a naked man dangling from the window of a sex health clinic.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

The Tudor-style cottage in the middle of the square is not quite what it seems.

A unique tribute to the millions of animals who served and died for the British military.

The bombed out remains of the old church were kept intact next to the new one, as a reminder of the futility of war.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.