National Park Service: Petroglyph National Monument

An extensive site that covers many aspects of the Homestead Act, including biographies, charts, and the text of the act. From the National Park Service.

Read about the reasons for the extensive black migration to Kansas, especially in the 1870s. These emigrants were called Exodusters. From the National Park Service.

Lewis and Clark National Historic Trail is approximately 4,900 miles long, extending from Pittsburgh, Pennsylvania, to the mouth of the Columbia River, near present day Astoria, Oregon. It connects 16 states. Today, visitors can follow...

Yosemite National Park: Preserving nature's beauty for future generations. An engaging resource provides a series of video clips that shows the importance of creating national parks and the role of the government and US Forest Service....

National Park Services provides this background for the Chiricahua National Monument in Willcox, Arizona. This spectacular land formation was recognized for its beauty by the Apaches and later by Congress to become a national monument....

This resource, by the National Park Service, offers a comprehensive series of information about Devils Tower. This natural formation, highly regarded by Native Americans, has also had the great distinction of being listed as the first...

Ancient Puebloans built these cliff dwellings anywhere from 700-1500 years ago. The Navajo National Monument in Tonalea, Arizona offers history of the people and a PDF to download, "Navajo National Monument: A Place and its People."

The terrorists' takeover of Flight 93 was part of the Attack on America, 9/11. The Park Service has made the crash site of Flight 93 into a national monument in honor of the passengers who developed a plan of action to regain control of...

This virtual museum exhibit from National Park Service focuses on Frederick Douglass. It offers a biography of Frederick Douglass, lesson plans, an image gallery, and a virtual tour of his home.

The official site for Acadia National Park provides environmental information as well as stunning photo galleries of its magnificent nature.