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

This hospital once pioneered the use of electroencephalograms, but fell into maltreatment, abuse, and eventual abandonment.

A rotting air force base is now home to rare birds and scarce plants.

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

The mouldering remains of a disgraced British children's icon are hidden in the brush of a public park.

A quartet of rusting satellite goliaths are all that remain of a communication network that protected Britain from German and Russian air strikes.

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

Abandoned boats decaying in the largest ship graveyard in mainland Britain.

A repurposed railway tunnel with otherworldly acoustic characteristics.

This tribute to a beloved cricket umpire is a magnet for risqué pranksters.

There are hundreds of secret WWII bases hidden in British forests. Built to fight a Nazi invasion, they remained unknown for decades.