This 20th-century replica of a 13th-century castle has itself fallen into ruin.

This astronomical clock is the second oldest in England.

Inside this magnificent 12th-century church is one of the finest carved wagon-roofs in all of England.

This tiny town features a tiny town that acts as a 3D snapshot of the town during the 1950's.

A local museum honors the overlooked discoveries of Mary Anning, one of the first professional fossil hunters.

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

The remains of a 13th-century stronghold built by the Welsh prince known as Llywelyn the Last.

Centuries of human activity have forged an eerie landscape of ruins and craters on an exposed and windswept hilltop.

A 13th-century fortified manor house that was once sieged during the English Civil War.

A replica of one of the most complete mammoth skeletons discovered in England.

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

This Iron Age hill fort remained hidden until a series of storms revealed its history.

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

One of the U.K's earliest public water supplies is within the "plague village."

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

This ruined 15th-century hermitage is steeped in myth and mystery.

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

A 14th century castle built on the seat of a mighty giant.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

This imprint of an old computer keyboard has a unique backstory.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.