St John's Church

St John's Church sits right in the heart of Gloucester, a medieval structure that's somehow managed to survive centuries of urban upheaval. Walking in, you're confronted with the kind of soaring architecture that makes you crane your neck - it's a proper late Perpendicular Gothic church, which means high windows, intricate stonework, and that particular quality of light you only get in old English churches.

The interior rewards a slow wander. There's decent stained glass, some interesting monuments if you're into reading inscriptions, and the kind of atmospheric quiet that makes you want to whisper. It's worth allowing half an hour to properly look around, longer if you're the type to sit and soak it in.

Historically minded visitors will appreciate its role in the city's medieval life - it's not some minor chapel, but one of Gloucester's important parish churches. Families with older children get more from it than anyone with toddlers in tow; there's not much interactive here, but it's a solid example of what these buildings were actually for.

If you're based at Severnside Boat & Caravan Park just down the road, this makes for a straightforward afternoon excursion when you're not doing water activities. Admission is free, though it's worth checking opening hours before you head into the city centre - sometimes these places have limited weekday access. Parking in Gloucester can be a faff, so budget extra time for that bit.