taketwo checks out The Household Calvary Museum which offers a unique "behind the scenes" look at the work that goes into the ceremonial duties of the Household Calvary, the guard change and more. With the taketwo 2 for 1 London Voucher and Guide Book, when you buy one ticket you get the other completely FREE. taketwo is a premier London Guide and Voucher book with great two for one London offers across a range of sites in London including The Household Calvary Museum. Check out http://www.taketwobooks.com for more info. Also find us on: Facebook, Twitter and YouTube.