One of the places I had read about but never really visited as I felt without being in a helicopter there would be nothing to see was Thornborough Henges between Ripon and Masham. This unique Neolithic (new stone age) site sitting on a plateau above the River Ure consists of three massive circular henges built about 4,500 years ago over an even earlier monument.

I’ve always had an interest in pre-history, regularly walking my dog up on Rombald’s Moor near Ilkley and exploring the cup and ring...