The Museu de Ciències Naturals de Barcelona (Natural Science Museum of Barcelona) is an institution founded over 140 years ago whose natural heritage collections in the fields of mineralogy, petrology, palaeontology, zoology and botany comprise more than three million specimens. This valuable heritage has been enriched year by year thanks to specimens obtained through donations from private individuals, agreements with the Zoo and Catalonia’s natural parklands, and also through the Museum’s own research work. Museum centres The Natural Sciences Museum of Barcelona is housed in different buildings located in three strategic areas of the city: Ciutadella Park, Montjuïc Park and the Forum Park. The first of these sites is home to the Museu Martorell (Martorell Museum) and the Laboratori de Natura (Nature Laboratory) in the building known as Castell dels Tres Dragons, while Montjuïc is home to the Jardí Botànic (Botanical Garden) and the Jardí Botànic Històric (Historic Botanical Garden). The Museu de Ciències Naturals de Barcelona (Natural Science Museum of Barcelona) is situated in the Forum Park, and houses the new facilities that are used mainly for public programmes: exhibitions, workshops, conferences, media resource centre, etc.