Calstock Roman fort

The earthworks at Calstock are subtle, which is partly why they're worth seeking out. You're looking at the remains of a Roman fort dating back around 1,900 years, but don't expect dramatic stonework or museum displays - this is archaeology in its raw state, visible as gentle ridges and depressions in the landscape near Tavistock.

What you get here is the chance to actually walk the lines of the fort's defences and imagine the garrison that once occupied this spot. The ramparts are still traceable if you know what you're looking at, and the location itself - overlooking the River Tavy - makes sense once you understand the Romans' strategic thinking. It's the kind of place that rewards a bit of preparation beforehand, whether that's reading up online or downloading one of the archaeology apps that help interpret the site.

This works best for walkers with a genuine interest in Roman history rather than families expecting interactive exhibits or clear signage. Allow an hour if you're thorough, half that if you're just passing through. The site is freely accessible, which is brilliant, though there's no visitor centre or facilities nearby.

Stay at Woodovis Holiday Park or Sunnyside Eco Glamping, both within 3-4 miles, and you've got an easy afternoon excursion combined with proper moorland walking. The landscape around Tavistock rewards exploration far beyond just the fort itself.