The Norfolk Heritage Explorer allows you to explore the archaeology of the county, using an interactive map and detailed records for listed buildings, earthworks and find spots.
Historic Maps of Norfolk allows you to access a number of historic maps, including tithe maps (c1840s), Ordnance Survey 6 inch maps (c1880s) and some enclosure maps. It also includes aerial photographs of the county from the 1946 and 1988, as well as modern street maps.
The Norfolk Record Office hold original documents relating to historic rights of way, including maps, road closure orders and more.
The Countryside Access website allows you to view the definitive map of public rights of way in Norfolk, as well as information about long distance paths.