A 16th-century artillery fort built to protect England against European invasion.

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

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

How did this lovely seaside English village come by such an unusual name?

A quirky "castle" formerly belonging to a famous British inventor.

An octagonal folly tower overlooking the sea.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

This antique prison is a tourist attraction with a sordid past.

This ancient stone bridge dates back to the early Middle Ages.

The only place where can you share a seat with the bums of the Fab Four.

These "bridges" help confused bats cross the road.

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

Recreations of a Norse longhouse and boat on Shetland's northernmost inhabited island.

This former chapel resides on an island connected to the mainland by one of Shetland's iconic beachy tombolos.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

This Shetland Islands bus shelter may be small, but it squeezes in a couch, a desk, some art, and even an old telly.

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

Cornish legend says these ancient circles were people turned to stone for playing hurling on a Sunday.

Overlooking the spot where the Pilgrims boarded the Mayflower stands Devon's answer to the Colossus of Rhodes.

A disastrous D-Day rehearsal was relatively unknown until this sunken tank was discovered 40 years later.

Take a sea tractor to the Art Deco hotel on the island that inspired Agatha Christie.

This tangled English forest looks like something right out of a fairytale.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

The largest greenhouse in the world is home to over one million types of plants.