The FoellingerâÂÂFreimann Botanical Conservatory is an enclosed conservatory in downtown Fort Wayne, Indiana, United States. Opened in 1983, the conservatory contains a seasonal showcase garden, a tropical oasis display, with a waterfall, Sonoran Desert display, and outdoor terrace and exploration garden, encompassing a total of . The gardens display over 1,200 plants of 502 different species and 72 types of cactus.