A open air theatre built on a cliff by an eccentric British woman.

A historic arboretum and non-conformist, non-denominational park cemetery.

This Scottish bridge seems to compel dogs to leap to their death.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

English antique dealers with a taste for the unusual.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

The remains of Crystal Palace Great Exhibition of 1851.

A historic London cemetery now serves as a nature park incorporating gravestones & memorial statues.

Remnants of a Victorian garden feature sitting in public woodland.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Pop culture has helped to keep this iconic British building from being destroyed.

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

This abandoned subway station can still be seen on regular commuter trips.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

A recently abandoned psych ward at the end of Sanatorium Road.

The ruins of a 12th-century Cistercian monastery can be found alongside World War II tank traps and pillboxes.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.

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

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

London's old-school healing garden.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.