There's some cartoons and comic books that are on display in excellent temporary exhibits at the National Gallery of Art. In their Aquatint: From Its Origins to Goya exhibit, which looks at a technique used to simulate washes in etchings or engravings, Rowlandson and Gillray are represented with famous pieces:
And then, in the truly excellent exhibit on photography, The New Woman Behind the Camera, an issue of True Comics (July 1944) is on display with other publications about photography, telling the story about a photojournalist:
and then, just for fun, around town, you can find Dave Coverly art for the Bark Box company. This is from a CVS in Arlington, although I think he's no longer working for the pet toy company.
