Navio Roman Fort

What remains of Navio Roman Fort sits on a windswept plateau above Hope Valley, and honestly, it's a proper archaeological puzzle rather than a dramatic ruin. The fort once garrisoned soldiers guarding the lead and silver mines that made this corner of Derbyshire valuable to Rome, but what you actually see today are earthworks - raised banks and ditches that map out where the fort's walls and buildings once stood. If you're the sort who can read a landscape and imagine legionaries marching between barracks, you'll find it absorbing. If you expect crumbling stonework and columned buildings, you'll be disappointed.

The walk up to the site from nearby Brough is straightforward enough, and the views across the Peak District on a clear day make the effort worth it. Allow an hour to wander the site and let the Roman engineering sink in. Historians and keen walkers will get more from it than families with young kids, unless your children have already caught the Roman bug. It's free to visit and open access, which means you can explore whenever you fancy - though the moorland setting means proper weather and footwear matter.

If you're based at one of the caravan parks in Hope Valley - Laneside or Castleton Caravan and Motorhome Club are closest - Navio works as a morning detour before exploring Brough itself or heading deeper into Derbyshire. Couple it with the Roman connections at nearby sites and you've built a day, though don't expect Hadrian's Wall drama.