Cooper-Hewitt, National Design Museum is the only museum in the United States devoted solely to historic and contemporary design. With more than 250,000 objects, the Museum holds the largest design collection in the country. Cooper-Hewitt, National Design Museum presents compelling perspectives on the impact of design on daily life through dynamic exhibitions, educational programs, and publications. Membership enhances your enjoyment of the Museum and understanding of design. Become a member today and discover the many ways design influences your life! Your membership contribution helps us present award-winning exhibitions and educational programming, protect our collection, and maintain our landmark mansion and garden.