Fee Free Days for National Parks
Encourage your students to visit historical sites for free on National Park Service Fee Free Days!
Mapping the National Parks
Track the exploration and use of Acadia, the Grand Canyon, Yellowstone, and the Great Rocky Mountains.
U.S. Geological Survey
How has land use altered over time, and what did the explorers encounter?
Evolution of the Conservation Movement, 1850-1920
Documents the birth of the conservation movement through published works, manuscripts, images, and motion picture footage.
National Park Service: Links to the Past
Roughly 200 National Park Service locations preserve locations designated important to U.S. history and prehistory; explore their resources online here.
Reclaiming the Everglades: South Florida's Natural History, 1884-1934
Contains 10,000 pages and images on Everglades reclamation efforts and the history of south Florida.