University of Michigan Matthaei Botanical Gardens

The University of Michigan Matthaei Botanical Gardens includes botanical gardens, natural areas with trails, and several research-quality habitats and is part of the organization Matthaei Botanical Gardens and Nichols Arboretum. It was established in 1907.The botanical gardens includes outdoor display gardens, the Gaffield Children's Garden, a 10,000+ square-foot conservatory, and natural areas with walking trails. The gardens are named after former Michigan regent Frederick C. Matthaei Sr. and his wife Mildred, who donated 200 acres of land.

Source: Wikipedia