Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

This ruin in a suburban park may be the place where Shakespeare's "A Midsummer Night's Dream" was first performed.

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

You can enjoy a (possibly haunted) stay at the medieval Norman castle that was once a favorite hunting lodge of King John.

This English medieval castle is where King John died of dysentery.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

A fantastic castle rumored to be the birthplace of King Arthur.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

This historic castle was already in ruins by the 13th century.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

These precariously placed ruins harken back to a 13th-century castle.

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

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

After years of slow decline, a derelict Gothic castle is now being restored to life.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

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

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

This castle resides in a valley known for immense bloodshed during the Middle Ages.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

A historic fortification critical to Anglo-Scottish conflicts now serves as a bed and breakfast.

Believed to be the birthplace of John Balliol.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.