This is a list of all of the notable historic sites in the ceremonial county of Lincolnshire, England.
This list is incomplete. Please feel free to expand it.
| Name | Description | Location | Date | Conservation Status | Notes |
|---|---|---|---|---|---|
| Ash Hill | Long barrow | Swinhope | Scheduled Ancient Monument | ||
| Ash Holt | Long barrow | Swallow | Scheduled Ancient Monument | ||
| Beacon Plantation | Long barrow | Walmsgate | Scheduled Ancient Monument | ||
| Burgh on Bain | Long barrow | Burgh on Bain | Scheduled Ancient Monument | ||
| Deadmen's Graves | Long Barrows | Claxby St Andrew | Scheduled Ancient Monument | ||
| Giant's Hills | Long Barrows | Skendleby | Scheduled Ancient Monument | ||
| Hills Brough | Long barrow | Normanby le Wold | Scheduled Ancient Monument | ||
| Cromwell's Grave | Long Barrows | Hoe Hill, Swinhope | Scheduled Ancient Monument | ||
| Shearman's Wath | Henge | West Ashby | Scheduled Ancient Monument | ||
| Spellow Hills | Long barrow | Langton by Spilsby | Scheduled Ancient Monument | AKA; Hills of the Slain | |
| Tathwell | Long barrow | Tathwell | Scheduled Ancient Monument | ||
| Thorganby | Long barrow | Thorganby, Lincolnshire | Scheduled Ancient Monument | ||
| Name | Description | Location | Date | Conservation Status | Notes | |
|---|---|---|---|---|---|---|
| Barrow upon Humber Castle | Castle | Barrow upon Humber | C11 | |||
| Bolingbroke Castle | Castle | Bolingbroke | C13-C14 | |||
| Bourne Castle | Castle | Bourne | C11 | |||
| Bytham Castle | Castle | Castle Bytham | C11 | |||
| Carlton Castle | Castle | Reston | C12 | |||
| Folkingham Castle | Castle | Folkingham | C12-C14 | |||
| Goltho Castle | Castle | Goltho | C11 | On earlier Saxon site | ||
| Grimsthorpe Castle | Castle/Stately Home | Grimsthorpe | C13 | |||
| Heydour Castle | Castle | Heydour | C12 | |||
| High Bridge, Lincoln | Medieval Bridge with Building | Lincoln | Bridge c.1160, building c.1550 | |||
| Hussey Tower | Castle | Boston | C14-C15 | |||
| Kingerby Castle | Castle | Kingerby | ||||
| Kyme Tower | Castle | South Kyme | C14 | |||
| Lincoln Castle | Castle | Lincoln | C11-C13 | |||
| Lincoln Cathedral | Cathedral | Lincoln | Built 1185–1311 | |||
| Owston Ferry Castle | Castle | Owston Ferry | C11-C12 | |||
| Rochford Tower | Castle | Boston | C15-C16 | |||
| Sleaford Castle | Castle | Sleaford | C12 | |||
| Somerton Castle | Castle | Boothby Graffoe | 1281–1305 | |||
| Stamford Castle | Castle | Stamford | C11 | |||
| Tattershall Castle | Castle | Tattershall | Originally 1231, current structure 1430 | |||
| Toot Hill | Castle | Tothill | ||||
| Welbourn Castle | Castle | Welbourn | ||||
| Withern Castle | Castle | Withern |