The library houses an incredible collection of some of the world's most impressive books and manuscripts.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

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

This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

A dreamlike medieval church dug into the tuff rock, with unusual carvings and possible traces of the Templar knights.

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

Human-made caves excavated to hide a secret society of wealthy pagans.

Cliffs full of fossils at the portal to England's Jurassic Coast.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

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

The townhouse where the English poet created some of his most influential work has been preserved in tribute.

This romantic, decaying 13th-century ruin on the edge of Sherwood Forest is reputedly one of England's most haunted places.

Where condemned pirates met their grisly end at the gallows on the River Thames.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

Stonehenge has nothing on Castlerigg’s views.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

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

A house of bones — but nobody is quite sure to whom they belong.