A picture of stately house Ashby St Ledgers, near Daventry, which became the "command centre" during the planning of Guy Fawkes' gunpowder plot, is also featured in the online gallery of 300,000 images.

About 2,200 volunteers have helped compile the searchable web archive of buildings, monuments and structures called The Images of England project, which has recorded 80 per cent of buildings listed at the turn of the Millennium.

It includes 5,000 images of Northamptonshire and about 1,500 pictures of Northampton.

As well as Northampton's Express Lifts Tower, based in Weedon Road and dubbed Northampton's lighthouse by Terry Wogan, the archive also includes pictures of the county stretch of the Grand Union Canal.

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Images of Northamptonshire churches including Piddington, Kislingbury, Bugbrooke, Potterspury and Harpole have also been captured in the seven-year project.

Nigel Clubb, director of English Heritage's national monuments record, said: "The value of the archive will certainly grow and its relevance will really be appreciated by our grandchildren and great-grandchildren in years to come. We are delighted with how successful the project has been."

Photographers travelled more than 1.4m miles round the country to capture one "defining image" of each building.

The project, which received a major grant from the Heritage Lottery Fund, includes stately homes, churches, viaducts, castles and signposts.

Bristol is the most featured city after London, and the most photographed county is Devon.

The buildings featured include listed public toilets, of which there are 89, and telephone kiosks, with some 2,000 of the classic 1935 design listed to protect them when they began to disappear from England's streets in the 1980s.

The archive can be viewed at www.imagesofengland.org.uk