The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

This moss-covered boulder is said to be part of a diabolical plant to sabotage the Durham Cathedral's foundation.

This library dates back to the late 17th century and was one of the first public lending libraries in England.

This Georgian Gothic building was created to shelter and feed deer.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

The violinist who played on as the Titanic sank is buried in this quiet English cemetery.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

Much of what constituted mid-century Liverpool now litters a beach outside of town.

Follow the original medieval paths that wind through this intriguing section of the city.

One of the earliest large-scale "hyper" roofs in the U.K. is now a derelict roadside attraction.

Britain's tallest megalith towers over the cemetery of a quiet English village.

Famously misunderstood wonder of the ancient world

The first archaeological site discovered by aerial photography.

A hundred copies of Antony Gormley's naked body stare out across the water.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

Huge winged monument in the United Kingdom.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

Once a black market electronics marketplace, now an otaku shopper's paradise.

A 200-year-old prison that now houses a peculiar crime museum.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

The location of this historic castle was inspired by a donkey.

A pagan tradition of draping trees with rags eerily lives on.

Where the sleeping monsters of Scotland's oil industry are left to rust.

The most northern place on the mainland of Great Britain.