Buckingham Palace and Windsor Castle Tour in London London Buckingham Palace and Changing of the Guard Tour Buckingham Palace Ticket with Royal Walking Tour Total London Full-Day Tour with London Eye Ticket Royal Palace of Madrid Tour with Optional Royal Collections in Spain London Vintage Bus Tour with River Cruise and London Eye Ticket Blenheim Palace, Downton Abbey Village & Cotswolds Tour from London Royal Windsor Castle Guided Afternoon Tour from London Leeds Castle, Canterbury Cathedral, & Dover Tour from London Blenheim Palace and the Cotswolds Day Tour with Pub Lunch