The Lucy Tower, Lincoln CastleSteep steps leading to the mediaeval Lucy Tower, Lincoln Castle. The castle was constructed by William the Conqueror in the late 11th century on the site of a former Roman fortress. Continuously in use right to the present day, the castle is considered to be one of the best preserved Norman castles in England. Lincoln castle is unusual in having two mottes, or mounds, on which the keeps or curtain walls were built. The Lucy tower stands on one of these original mottes, although it was not constructed until the 12th century after the first Battle of Lincoln.This image is copyright and may not be used without specific authorization. Permission is explicitly denied for Pinterest.