Option 1: Sightseeing of Swoayambhunath, Kathmandu Durbar Square and Ason Market Duration: 5 hours of Sightseeing Kathmandu Durbar Square (World Heritage Site): Kathmandu Durbar Square is the old Royal Palace area of Kathmandu city. It a cluster of palace, courtyards, temples and various monuments. Here you can enjoy the typical Nepalese art, architecture, and heritage. […]