The Morton Arboretum, in Lisle, Illinois, covers 1,700 acres (6.9 Square kilometres) and is made up of gardens of various plant types and collections of trees from specific taxonomical and geographical areas. It includes native woodlands and a restored Illinois prairie. The Arboretum has over 4,100 different species of trees, shrubs and other woody plants from around the globe. In all, there are over 186,000 catalogued plants. The Arboretum has 16 miles (26 km) of hiking trails and nine miles (14 km) of roadways for driving/bicycling.
The Arboretum features a 4-acre (16,000 m2) interactive "Children's Garden" and a 1-acre (4,000 m2) "Maze Garden." Other special landscaped areas include the Fragrance Garden, Ground Cover Garden and Hedge Garden. The Schulenberg Prairie is one of the largest restored prairies in the Chicago suburban area.
Built in 2004, the 36,000 sq ft (3,300 m2) Visitor Center is a wide-open portal to launch visitors into the Arboretum’s 1,700-acre (6.9 km2) outdoor museum of trees. Designed by David Woodhouse Architects, its major elements are arranged to shape “inside-out/outside-in” spaces that take advantage of varied views of the Arboretum’s horticultural collections.