Explore the Web sites of any four national parks or monuments. Visit the parks shown here by clicking the image or name of the park, or access a complete list of national parks and monuments by clicking here

Research each place you visit. What are its unique features? What attracts people to the place? What natural resources are present? Consider what might happen if the place were not protected. During your exploration, consider what natural resources are protected at each site, and classify them as renewable or nonrenewable.