Long before the advent of film, television, or the Internet, the circus delivered the world to people's doorsteps across America. Arriving in the United States shortly after the birth of the American republic, the growth of the circus chronicled the expansion of the new nation, from an agrarian backwater to an industrial and overseas empire. The number of circuses in America peaked at the turn of the twentieth century, but the circus has cast a long shadow on twentieth century American popular culture. The circus served as subject matter for other popular forms like motion pictures and television, and its celebration of American military might and racial hierarchy percolated into these new forms. From its zenith around 1900, to its decline and subsequent rebirth during the late twentieth century, the circus has been inextricably tied to larger social issues in American culture concerning race, physical disability, and animal rights...