The Morton Arboretum is a 1,700-acre outdoor museum located in Lisle, Illinois. It focuses on the study and conservation of trees and other plants. Established in 1922, the arboretum features over 4,000 species of trees and shrubs from around the world, making it a valuable resource for education and research. Visitors can explore various gardens, trails, and natural areas, including the beautiful Children's Garden and the Conifer Collection. The arboretum also hosts seasonal events, educational programs, and workshops, promoting awareness of the importance of trees and their role in the environment.