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

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

The world's largest grapevine has produced a delicious harvest at Hampton Court Palace for almost 250 years.

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

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

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

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

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

The elegant structure of this 19th century railroad bridge creates an illusion of infinity.

One of the largest megalithic complexes in England, which local legend holds is a wedding party turned to stone by the Devil.

These ornate arches show how the course of the River Thames has changed.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

The library houses an incredible collection of some of the world's most impressive books and manuscripts.

Unusual British home built to disguise a water tower.

The last resting place of the famous Native American princess is marked by a haunting monument.

A Neolithic burial site built 1,000 years before Stonehenge.

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

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

Each spring this woodland floor is carpeted with purplish flowers as far as the eye can see.

6000-year-old site covered in more than 50 megaliths.

Eighteenth-century home, where Herschel discovered the planet Uranus.

An enigmatic natural rock formation with a manmade passage cut through the center.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.