Halloween is all about “dressing up, carving pumpkins, sharing treats and enjoying spooky fun with friends and family”, said the BBC. Here are some of our favourite activities from across the country. Pick pumpkins in Yorkshire, cuddle tarantulas in Oxfordshire, or encounter ghostly figures in the Tower of London: no tricks, only treats.Ghosts and ravens at Hampton Court Palace and the Tower of London“Where better to mark All Hallows’ Eve than s…