The exhibition features 161 objects, including paintings and drawings by pre-eminent artists, including John James Audubon, Albert Bierstadt, George Catlin, Frederic Edwin Church, Winslow Homer, Thomas Eakins, Thomas Moran, Samuel F.B. Morse and Charles Willson Peale, as
well as sculptures, prints, survey photographs, zoological and
botanical illustrations, patent models and engineering diagrams.