 Examples of Colwell's original works can be seen at the Crocker Art Museum in Sacramento, California, and the Pritikin Museum in San Francisco, which features his magnum opus, "Litter Beach".In September 2012, Colwell's work was featured in "Juxtapoz" magazine.New small works and comic page originals can be seen on the Heritage Auctions website as well as Colwell's own site.