The National Parks

The Last Refuge (1890-1915)

Video duration: 2:11:21Expires: 09/21/13Video has closed captioning.

By the end of the 19th century, widespread industrialization has left many Americans worried about whether the country — once a vast wilderness — will have any pristine land left. At the same time, poachers in the parks are rampant, and visitors think nothing of littering or carving their names near iconic sites like Old Faithful.