A neat little cast iron road bridge by Sir John Rennie dating from 1831. |
![]() William Marshall's engineering works from where Marshall steam engines, threshing machines and tractors were exported all over the world. |
The only inland lighthouse in Britain, erected in 1751 to guide travellers across the heathland south of Lincoln. |
![]() Very long viaduct which carried the Lancashire, Derbyshire, & East Coast Railway over the River Trent. |
Sole surviving Roman canal in Britain |