4 miles from Spilsby Parish

The remains of a 13th-century hexagonal castle, birthplace in 1367 of the future King Henry IV, with adjacent earthworks. Besieged and taken by Cromwell's Parliamentarians in 1643.

10 miles from Spilsby Parish

Built in 1877, this restored six storey mill with complete gear, sails and fantail still works today.

13 miles from Spilsby Parish

Remains of a grammar school for church choristers, founded in the mid-15th century by Ralph, Lord Cromwell, the builder of nearby Tattershall Castle (National Trust).

27 miles from Spilsby Parish

Standing almost in the shadow of Lincoln cathedral, with sweeping views over the ancient city and the countryside beyond.

31 miles from Spilsby Parish

One of the largest, best preserved and most lavishly decorated keeps in England, surrounded by 20 acres of mighty earthworks.

33 miles from Spilsby Parish

The ruined church of an Augustinian abbey, reduced in size after fire and plague.