An eight part series presenting American history through its visual art, painting, sculpture, architecture and monuments. This final segment explores how American art has reflected the upheavals of the last 25 years. Hughes traces the evolution of abstract art and minimalism and considers the spiritual richness of earth works, in which nature is the artist's medium. He ends the series by profiling a wide range of contemporary artists including Edward Kienholz, Donald Judd, Richard Serra, Walter De Maria, Robert Smithson, Bruce Nauman, Richard Diebenkorn, Philip Guston, Andy Warhol, Jeff Koons, Susan Rothenberg, Eric Fischl, Louise Bourgeois and James Turrell.