Sky HISTORY launches a new season of brand new programming which delves deep into the world of conspiracies, ancient mysteries and the bizarre in Summer of Secrets. Join host William Shatner in The UnXplained (9 June, 9pm) as he explores stories that have mystified mankind for centuries; Secret Wars Uncovered (19 June, 9pm) reveals the facts behind battles that were shrouded in corruption and misinformation and Secrets In The Ice (1 June, 10pm) visits the most remote, cold and inhospitable places on the planet to reveal great mysteries frozen in time.