Botanical Garden, Berlin

The Botanical Garden in Berlin (Botanischer Garten und Botanisches Museum Berlin-Dahlem) with an area of 43 hectares, home to around 22,000 different species of exotic plants brought in from erstwhile German colonies is one of the most important gardens in the world. Located in Dahlem neighborhood of the borough of Steglitz-Zehlendorf, it was constructed between 1897 and 1910 under the supervision of architect Adolf Engler.

Now, being a part of the Free University of Berlin, the Botanical Museum complex, with a large herbarium and a large scientific library, consists of several buildings and glasshouses, such as the Cactus Pavilion and the Pavilion Victoria, and its arboretum is spread over 14 hectares. The Great Pavilion, the largest glasshouse in the world, is a 25-meter tall steel structure covered by glass with floor area of width 30 meters and length 60 meters, with a constant temperature level at 30 °C and high air humidity.