The Cosmos Club is a private social club located in Washington, D.C. that has been in operation since 1878. It was originally founded as a literary society, but has since expanded to include members from a wide range of fields, including science, politics, business, and the arts. The club is known for its elegant decor and historic architecture, with many of its rooms featuring ornate details and artwork. Membership is by invitation only and is highly selective, with a rigorous application process. The club hosts a variety of events and activities for its members, including lectures, panel discussions, and social gatherings. It is considered one of the most prestigious clubs in the United States and has counted several U.S. presidents, Nobel laureates, and prominent figures among its members.

Allen Metals restored the entry canopy and facade and added new glass.