Located in Peradeniya, Kandy – Royal Botanical Garden is the best botanical garden in the whole of Asia. The gardens are attached to the National Herbarium of Sri Lanka. The Orchid House in the garden is well known for its large variety of orchids. The garden was formally established in 1843 with plants brought in from Royal Botanical Gardens in Kew, Britain. The gardens include the historical Cannonball Tree planted in 1901 by King George V and Queen Mary of the United Kingdom. The Royal Botanical Gardens of Peradeniya was used as the South-east Asian Headquarters of the Allied Forces during the Second World War.