Thetford is noted for being the birthplace of Thomas Paine, where a statue of him stands on King Street. The external scenes for the British comedy TV series Dad's Army were filmed in and around the town's flint buildings.
- Grimes Graves, Prehistoric Flint Mine, Lynford, IP26 5DE, ☎ +44 1842 810656. adults £3.50, children £2.10, concessions £3.20.
- Ancient House Museum. This museum situated on White Hart Street, is an oak-framed Tudor merchant's house. The museum holds replicas of the Thetford Treasure and has displays about flint knapping, rabbit warreners and wildlife in the brecks. You can also find out more about Thomas Paine and the Maharajah Duleep Singh. The Ancient House was gifted to the town by Prince Frederick Duleep Singh.
- Statue of Captain Mainwaring