The only medieval bridge in Britain with its defensive tower still in tact.

The castle still holds traces of the abandoned Roman fort it was built atop.

Quirky Welsh observatory unites art and science.

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

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

The largest of only eight working transporter bridges left in the world.

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

Recently restored menagerie of Victorian-era beasts.

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

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

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

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

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

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

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

A breathtaking flower tunnel bursts with beautiful golden blossoms.

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

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

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

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

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

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

Colorful concentric circles honor a small Croatian town's supposed spot at the nucleus of it all.