Part of the Vienna Zoo and adjacent to the graceful Palmenhaus (Palm House), in the gardens of Schloss Schonbrunn. This desert house is set against beautifully painted backdrops are exotic succulent plants that shade the colorful lizards and tiny desert shrews scampering beneath them. An incredibly calm place with canvas seats available for those who wish to really unwind. October-April daily 9 am-5 pm; May-September daily 9 am-6 pm. 4 euros adults, 2 euros children. Schonbrunn Park (13th), Vienna. Phone 877-9294. http://www.zoovienna.at/wuestenhaus.htm.