In Anglesey, Jules Hudson explores the site of a 19th-century shipwreck near Moelfre, where over 400 people perished. Helen Skelton learns about the women who helped win the war - not in factories, but in shipyards - in Sunderland. JB Gill begins his journey at Mersea Island Vineyard, where he's introduced to a surprising local speciality - beer brewed with oysters.