Tour in Nepal is very exciting to explore diverse culture, arts, architectures, traditions and religions in and outside the Kathmandu Valley, the culturally very rich valley in Nepal. It is one of the spiritual valleys as many Hindu and Buddhist gods and goddesses, Sages and Gurus (teachers) visited this place in the ancient time. There is a belief that Kathmandu was a meditation centre for many Hindu and Buddhist gods and goddesses. The existing Hindu temples, Buddhist stupas and monasteries in the Kathmandu Valley represent this belief.
There are many Vihars (the Buddhist schools) in the valley. 

The establishment of Vihars was intended to teach people about the Buddhist philosophy, religion and daily rituals. Kathmandu Valley comprises of three Durbar Squares dated from 12th to 19th century and listed in the World Heritage Site in 1979. Durbar Square is the area of the Former Royal Palace where situated the king's palace and different types of temple connected with different gods and goddesses. Therefore, Durbar Square is the collection of temples and royal palace. 
In Nepal, people and the rulers were extremely religious who believed to be protected by gods and goddesses in case of any misshapen in their kingdom. Therefore, they built many and different types of temple in the name of gods and goddesses according to their important duty and role upon the human being as well as the universe. In Durbar Square, there are 12th to 19th century old temples but renovated time to time. Near each palace situated a Kumari (Living goddess) house. The Kumari is the protecting goddess of royal palace as well as people. The Kumari in Kathmandu Durbar Square is considered to be the most important and original one.