Drawing on 400 years of compelling evidence, Richard J. Dewhurst reveals that North America was once ruled by an advanced race of giants and that the Smithsonian has been actively suppressing the physical evidence for nearly 150 years. This suppression began after the Civil War and became an outright cover-up in 1879 when John Wesley Powell, as Smithsonian director, launched a strict pro-evolution, pro-Manifest Destiny agenda.