Barmoor Castle

You'll need to work for views of Barmoor Castle, but that's rather the point. This 14th-century fortress sits on a low hill near Berwick-upon-Tweed, accessible by footpath rather than car park, which means you won't find crowds of day-trippers wandering about taking selfies.

What you get is a proper medieval stronghold - four-storey tower house with thick stone walls, built to withstand both Scottish raiders and the general grittiness of border life. The castle's compact and austere, which sounds dreary but actually feels properly defensive when you're stood in front of it. You can walk round the exterior to get a sense of the structure, though access inside isn't always straightforward - worth ringing ahead or checking with Berwick tourist information.

History enthusiasts will find this absorbing. The castle dates to when the English-Scottish border was genuinely dangerous, and standing here you understand why. It's not some romantic ruin; it's a working reminder that this landscape was contested. The walk itself, taking in the surrounding countryside, is worth doing regardless.

Family groups with younger kids might find it a bit underwhelming without interior access - it reads as 'old pile of stones' rather than 'interactive experience'. But if you're already hiking in the area or based at the Barn at Beal Restaurant & Campsite just down the road, it's a solid half-hour detour.

Allow an hour to explore the exterior and surroundings properly. Free to visit, essentially - it's farmland access.