Housed in the beautiful Andrew Carnegie Mansion, this branch of the Smithsonian Institution is devoted to historic and contemporary design. Its collection of decorative textiles, porcelain and wallpaper traces the development of design through the centuries. Open Monday-Friday 10 am-5 pm, Saturday 10 am-6 pm, Sunday noon-6 pm. US$15 adults, US$10 students and seniors, free for children younger than 12. 2 E. 91st St., at Fifth Avenue (subway line 4, 5 or 6 to 86th Street; 6 to 96th Street), Manhattan, New York City. Phone 212-849-8400. http://www.cooperhewitt.org.
