This stone was once used by druids to determine a person's innocence or guilt.

The last water-powered beam pumping engine in Britain.

A 13th-century stronghold that has fallen into ruin.

A historic cave in Scotland once served as a hiding place for a famous Covenanter.

Wonderfully preserved Victorian factory, complete with a preserved steam powered engine house.

This modern labyrinth lies in the shadow of a ruined medieval castle.

An optical Illusion once believed to be an electrical phenomenon.

A monument to a Russian cruiser near its final resting place off the Ayrshire Coast.

Near this coastal cave stands a small memorial to the hermit who made it his home for three decades.

A stone burial chamber that was also the site of religious rituals.

A gap marks the spot where a now-missing stone once completed the circular arrangement at this Neolithic site.

This 900-foot structure with 20 arches crossing a Scottish river was built in the late 19th century.

The remnants of a classic 1970's British film.

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

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.

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

Dating back to the 500s, these stones include some of the oldest Christian memorials in Scotland.

The ruins of a 12th-century seaside castle on the southwest coast of Scotland.

Believed to be the birthplace of John Balliol.

Almost nothing but earthworks remain of this long-lost castle.

The ruins of a 19th-century corn mill are haunted by a malevolent cave-dwelling spirit.

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

Harry Potter’s Hogsmeade Station is also a charming blast from the past situated in North Yorkshire.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.