Thetford sits almost exactly halfway between Cambridge and Norwich in Norfolk, and it punches well above its size. This old market town packs a Norman priory, an Iron Age hill fort, a Tudor house full of Sikh Empire treasures and a museum dedicated to one of Britain's best-loved sitcoms into a compact, walkable centre ringed by Thetford Forest.

History here is layered, literally. Thetford Priory, founded in the early 1100s and now cared for by English Heritage, is free to enter any day of the week — you can wander among crumbling stone walls and carvings at your own pace. Nearby, the Castle Mound is a Norman motte built on top of ramparts dug by the Iceni tribe, the people led by Boudicca, who famously turned on her Roman rulers after a brutal betrayal. The town claims her as one of its own.

The Ancient House museum is a stranger, more moving story: a Tudor building bought by Prince Frederick Duleep Singh, son of the last ruler of the Sikh Empire, who was brought to Britain as a child after the annexation of Punjab. He handed the house to the town, and it now displays Indian and local artefacts in what reads as a tribute to his dual heritage. A statue of Maharaja Duleep Singh stands in the town, alongside one of revolutionary writer Thomas Paine, who was born in Thetford and later wrote "Common Sense" in America — he even came up with the name "United States of America."

For a lighter note, the Dad's Army Museum celebrates the sitcom that ran from 1968 to 1977, loosely based on the real Home Guard volunteers who helped defend Britain in World War II. You can sit on the bench beside a statue of Captain Mainwaring on Bridge Street, next to an ornate iron bridge over the Little Ouse River dating from 1829.

Thetford's food scene leans properly British. The Thomas Paine Hotel runs an exhibition on the man himself and serves local-ingredient classics — a good spot for your first Sunday roast or afternoon tea. The Black Horse pub is around two centuries old and does hearty fish and chips with a decent pint. The Red Lion, trading since 1791, is now a well-rated Wetherspoons serving full English breakfasts among carved wood panelling. The pet-friendly Bell Hotel has been taking in guests since the 15th century, with affordable food to match its historic atmosphere.

Why bother with Thetford? It's an easy detour if you're already touring East Anglia — under an hour's drive from either Cambridge or Norwich, about two hours from Heathrow, or a two-to-three-hour train from London through rolling farmland. It suits travellers who like their history walkable, their pubs old, and their day trips free of crowds.