The Berlin Botanic Garden and Botanical Museum () is a botanical garden in the locality of the borough of , Berlin, Germany. Constructed between 1897 and 1910 under the guidance of architect Adolf Engler, it has an area of and around 22,000 different plant species. The garden is part of the Free University of Berlin. The most well-known part of the garden is the Great Pavilion (), and among its many tropical plants, it hosts giant bamboo. The garden complex consists of several buildings, including glass-houses with a total area of . These include the glass Cactus Pavilion and the glass Pavilion Victoria; the latter features a collection of orchids, carnivorous plants and the giant white water lily Victoria amazonica (). The open-air areas are sorted by geographical origin and encompass about . The arboretum is about . The Botanical Museum (), the (B) and a large scientific library are attached to the garden. The is the largest in Germany and holds more than 3.5 million preserved specimens. Description The Berlin Botanic Garden and Botanical Museum is a botanical garden in the German capital city of Berlin, with an area of and around 22,000 different plant species. It was constructed between 1897 and 1910 under the guidance of architect Adolf Engler in order to present exotic plants returned from German colonies. The garden is located in the locality of the borough of . When it was founded, a part of it was located in , a fact reflected in its name. Today, the garden is part of the Free University of Berlin. The Botanical Museum (), together with the (B) and a large scientific library, is attached to the garden. The is the largest herbarium in Germany and holds more than 3.5 million preserved specimens. The complex consists of several buildings and glass-houses, such as the Cactus Pavilion and the Pavilion Victoria, which features a collection of orchids, carnivorous plants and the giant white water lily Victoria amazonica (). The glass-houses encompass an area of . The garden's open-air areas consist of sorted by geographical origin, and the arboretum area totals . The best-known part of the garden is the Great Pavilion (). The temperature inside is maintained at and air humidity is kept high. Among the many tropical plants it hosts giant bamboo. History In the year 1573, during the time of Elector John George, the first noteworthy assembly