Lovebirds at the Potsdam Biosphere. (© Biosphäre Potsdam)
This tropical indoor garden features a greenhouse with more than 20,000 plants, including a palm grove and mangrove swamp, as well as animals such as iguanas, parrots, geckos, frogs, and butterflies. Daily Mon–Fri 9am–6pm, from 10am on weekends and holidays. €11.50/9.80. Under-3s free.