This document provides information on American artworks created between 1825-1865 and 1900-1945. It summarizes several paintings, including Frederic Church's Niagara Falls, which depicts one of the natural wonders of the world. It also discusses Thomas Cole's View from Mount Holyoke, one of the earliest works of the Hudson River School. Finally, it analyzes Jacob Lawrence's Migration of the Negro panel about race riots during the Great Migration period.