Plan your Bhutan Travel ahead with us now. Visit Kathmandu Durbar Square and Kumari Temple. See Boudhanath Stupa, one of the world’s biggest and oldest stupas. After lunch, proceed to Bhaktapur Durbar Square for sightseeing. View the Lion Gate, Golden Gate, Palace of Fifty-Five Windows, Art Gallery and Statue of King Bhupatindra Malla.