St John's Church, Duxford

The church sits right in Duxford village, a solid medieval building that's been watching over the landscape since the 13th century. Inside, the timber-beamed roof catches your eye first - proper craftsmanship, the sort of thing that makes you crane your neck for a good five minutes. There's stained glass worth lingering over too, and if you're into old brasses and monuments, you'll find plenty scattered about the place.

It's the kind of stop that rewards a slow wander rather than a quick tick-box visit. Twenty minutes minimum if you're actually looking at things; longer if you're the type to sit quietly in a pew and soak up the atmosphere. No admission charge as far as I can tell, though it's worth checking locally as opening times seem variable.

For families camping at Pightle Farm or Shepreth Mill - both solid options within five miles - this makes a decent morning outing before lunch. Kids won't be gripped for hours, but the walk through the village is pleasant enough, and there's something about these old churches that tends to settle restless minds. The real draw is if you're already exploring the area around Royston and want to see what genuine medieval craftsmanship looks like outside the big-name attractions. It's understated, genuine, and worth the detour if you've got transport sorted.