Located next to the Lincoln Park Zoo, this Victorian-style conservatory is considered one of the most beautiful in the country. Opened in 1895, the glass and metal structure was designed by famed architect Joseph L. Silsbee. Annual shows complement the permanent displays of more than 50,000 plants and flowers that flourish in the lush Palm House, Fern Room, Show House and Orchid House. Adjoining formal and rock gardens provide an outstanding outdoor setting. Daily 9 am-5 pm. Free.