What is Kathmandu Heritage Tour? The Kathmandu Heritage Tour is one of the most alluring journeys around the UNESCO-listed heritage sites of the Kathmandu Valley, representatives of centuries-ancient temples, palaces, and stupas reflecting rich history and culture of Nepal. This Kathmandu city tour takes one through ancient cities like Kathmandu, Patan, and Bhaktapur-each boasting remarkable architectural wonders and deep spiritual significance. From the chaotic but exciting and impressive courtyards of Kathmandu Durbar Square to the tranquil surroundings of Swayambhunath Stupa, this excursion will offer great opportunities to relish Nepal's living heritage while one is there to explore them.