['Lincoln Cathedral. Source: shutterstock. ... ', 'Lincoln Castle. Source: shutterstock. ... ', 'Steep Hill. Source: Angelina Dimitrova / Shutterstock.com. ... ', 'The Collection. Source: thecollectionmuseum. ... ', 'Museum of Lincolnshire Life. ... ', 'Doddington Hall. ... ', "Medieval Bishop's Palace. ... ", 'Guildhall.']