Dia Art Foundation

Dia Art Foundation is a contemporary arts organization that presents exhibitions, public programs, and site-based artworks. Its offerings include exhibitions of work by artists such as Tehching Hsieh, Roni Horn, Bridget Riley, and Agnes Martin, along with learning programs, lectures and talks, guided tours, and digital films and interviews. The foundation also maintains a network of art sites, including Walter De Maria's The Lightning Field in western New Mexico and Robert Smithson's Spiral Jetty at the Great Salt Lake in Utah.

The foundation serves art audiences, students, families, and teens through its learning and community programs, and it offers group visits and internships. Its main locations include Dia Beacon in Beacon, New York, Dia Chelsea in New York City, and Dia Bridgehampton in Bridgehampton, New York. Free admission is available in New York City, according to the website, and the organization also operates a shop and publishes books.