Docomomo International is a non-profit organization whose full title is International Committee for Documentation and Conservation of Buildings, Sites and Neighborhoods of the Modern Movement. The organization was established in 1988 by Hubert-Jan Henket and since 2014 has been highlighting the best in preservation practice by architects, designers, and preservation professionals, for modern sites, landscapes and beyond. This year’s award recognizes the Museum at the Gateway Arch as a once-in-a-lifetime effort to modernize one of the country’s most iconic landmarks, a project where vision and community have coalesced through the collaborative nature of art and design.