This foolish Victorian sea fort was converted to a deluxe hotel.

One of the best-preserved, yet least visited stone circle sites in Cumbria.

This charming English house was once the home of England's most famous poet.

The first building to be positively identified as Anglo-Saxon in origin.

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

Drive or walk through part of a former medieval monastery

The grounds of this Catholic boarding school are said to have inspired Arthur Conan Doyle and J.R.R. Tolkien.

On this small spit of land, the person who runs the public house is considered the King of Piel Island.

One of the highest Roman forts in Britain is set amid dramatic scenery on a notoriously difficult road.

This beautifully situated lakeside Roman settlement was likely built during the reign of the Emperor Hadrian.

This small village museum contains the schoolboy scratchings of William Wordsworth.

A relatively intact tower house still offering sweeping views of the surrounding countryside

A circle made up of 19 boulders has stood in Scotland's Bladnoch Valley for some 4,000 years.

This Neolithic Stone Circle is the largest in mainland Scotland

Carved between 3500 and 1000 B.C., the distinctive carvings at this site are poorly understood.

These stones date back to the 3rd or 2nd millennium B.C.

Nine hundred years ago, this was the home of a feudal lord. Today all that remains is a steep mound surrounded by a deep moat.

This medieval pilgrimage site was a key part of the early Christian missionary work in Scotland.

A 2,000-year-old Iron Age fort offers stunning ocean views.

Named after a 6th-century saint, who was also a scholar.

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

These ruins are a hidden gem, complete with fantastic views over the cliff edge.

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

Believed to be the birthplace of John Balliol.