Time Team get invited to all sorts of places these days, but they don’t come any grander than this. This is Drumlanrig Castle near Dumfries in Scotland. But that’s not for us typical Time Team, what we’re interested in is something that’s been discovered round the back in the garden. There’s not much to see on the ground here, apart from a few lumps and bumps but look, this photo was taken from the air during a particularly dry summer and we see all these strange shapes and lines. The experts reckon these could be the remains of a Roman fort. If it is, we’re gonna have a real good story to tell. Because it would have been the front line of the Roman attempts to invade Scotland. Time Team have got just three days to solve this Roman mystery in what must be one of the largest back gardens in Scotland.