The Valley Brook was diverted beneath Queens Park’s lake in 1913 to prevent silting, with a pump system still used today to maintain the lake’s water level.

A small metal mine worked intermittently from around 1700 until it closed in 1903, producing modest amounts of lead, silver, zinc, and copper.

A 1.8 mile, 19th century tunnel in Staffordshire that was later abandoned due to safety concerns.

A remote Cold War era military range in northern England, now used for electronic warfare training.

Built in the early 1830s, the Mow Cop tramway tunnel carried horse drawn coal wagons to a canal for local collieries.

A long abandoned Preston railway tunnel, famed for ghost stories, now undergoing a clean up.

This small hospital morgue, decommissioned around 2000, has sat derelict for 25 years.

A former wartime arms store and later a major underground museum.

Broadmoor Hospital, opened in 1863, was, and still is Britain’s most notorious psychiatric institution.

A Grade II listed 1960s landmark that once held a panoramic restaurant over looking the M6.

Captain Birdeye's Flo Selecta is a 1938 storm culvert in Derby, later modified and named for the fish inside.

The former Botanic Gardens Station in Glasgow is an abandoned underground station closed in 1939.

Newholme Hospital began as an 1841 workhouse and, after decades of service, was replaced in 2024 and sold for residential redevelopment.

Oakwood Theme Park, once the largest theme park in Wales closed in March 2025.

Lochgilphead's 1863 Argyll and Bute Asylum, Scotland's first district asylum, closed in 2017.

Liverpool's disused Bootle Tunnel, built for dock access under a canal, closed after 1960s rail decline.

Shell's 1978 Brent Charlie North Sea platform, decommissioned in 2021.