In March 2010, his documentary short film A Necessary Ruin: The Story of Buckminster Fuller and the Union Tank Car Dome (2009) premiered at the National Building Museum.
Past exhibitions have highlighted innovation in parking garages; green building and sustainable design; architects, including Eero Saarinen and Marcel Breuer; and tools as art.
He also served on the advisory committees of Mount Vernon Estate and Gardens and Winterthur Museum & Country Estate, and was an Honorary Trustee of the National Building Museum and a Trustee of the New York School of Interior Design.
National Football League | National Register of Historic Places | National Hockey League | British Museum | Museum of Modern Art | England national football team | Metropolitan Museum of Art | National Basketball Association | National Science Foundation | National Geographic | National Trust | National Endowment for the Arts | National Geographic Society | Argentina national football team | National Trust for Places of Historic Interest or Natural Beauty | National Park Service | National League | Australian National University | National Guard | National Geographic Channel | National Institutes of Health | American Museum of Natural History | National Guard of the United States | National Collegiate Athletic Association | United States National Research Council | National Portrait Gallery | National Academy of Sciences | Indian National Congress | United States men's national soccer team | Victoria and Albert Museum |
In 1999, McGraw and his father Harold McGraw, Jr. accepted the Honor Award from the National Building Museum on behalf of the McGraw-Hill Companies, which were recognized for their contributions to the U.S.'s built environment.
In 1986 he received the National Building Museum's first Honor Award.
The National Building Museum presented the USGBC with its 2009 Honor Award (themed "Visionaries in Sustainability"), citing the organization's "exceptional achievement in establishing and integrating green building standards" in its LEED systems as one of the reasons for selection.
Cohn frequently takes his traveling "Jolts and Volts" electricity show to schools, community groups, universities and museums across the US including such diverse venues as the New York Hall of Science, The National Building Museum in Washington, D.C. and frequent shows at Disney's Epcot Center in Florida.