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

WWII Air raid shelter at Edge Hill's Littlewoods, served factory workers and codebreakers.

Liverpool railway tunnel known as the world's first tunnel constructed under a city.

A former railway tunnel dating back to 1894.

A former railway tunnel built to connect Delph with the Manchester to Huddersfield line.

A disused railway tunnel located in Staffordshire approximately 497yards.

A disused tunnel, part of the Great central railway extension between Nottingham and Sheffield.

One of three former Air raid shelters within Stockport town.

A former underground ammunition storage transport tunnel.

Parallel tunnels for Rail and the longest canal tunnel in the UK.