The BLM manages one in every 10 acres of land in the United States, and approximately 30 percent of the Nation's minerals. These lands and minerals are found in every state in the country and encompass forests, mountains, rangelands, arctic tundra, and deserts. Select a region to learn more about public lands and resources managed for multiple use. Each region is accompanied by a few stunning photos and some have videos or lists of state priorities.

This National Park Service site has information about these fossil beds in Nebraska and where the name Agate came from.

After reading a brief introduction on the history of the Southwest, click on the list of sites. You will find hyperlinks to important and historic sites that are located in Arizona, New Mexico, and Colorado.

A tour and commentary about the many sites in Boston where abolitionists lived and worked. Click on the links to find out about these brave souls, both black and white, who fought against slavery.

Part of the National Park Service website, this page provides general info. about the resident bat population, and links to more specific bat info. For the bat enthusiast!

Online lesson plan to teach the concept of historical understanding by studying how a community changes over time. In this case, we look at the South Side of Chicago and ask, What happened here? Why did this place change? How am I connected to this place?

Denali Park in Alaska is home to a number of glaciers. Learn all about them at this site. Of particular interest is the link at the bottom of the page to a virtual tour of paired photographs that reveal changes in the landscape over time.

The history of the Lost Colony of Roanoke Island is told in story form. It tells of the conflict between England and Spain to establish a foothold in the New World, the voyages arranged by Sir Walter Raleigh, the establishment of a colony on Roanoke Island, the interactions and conflict with the Native people, the struggles the colonists faced, their eventual disappearance, and theories of what could have happened to them. A section after the tale's end gives detailed explanations of underlined terms in the text. (Be sure to click on 'Part II' at the end of the first page.)

Discusses the effects of the Kansas-Nebraska Act. In particular, the site details incidents from the period known as "Bleeding Kansas."

In this lesson, students learn about the earth's past by studying clues that have been left behind, such as fossils and rocks. Students will find the answers to many questions: What is paleontology?, What is geological time?, What can we learn from fossils?, and Where do you find fossils? For the final activity, students pretend they are the paleontologist searching for evidence as to why the dinosaurs went extinct.

Ten thousand years ago this park had glaciers. What happened to them? How did they affect the landscape? Click on this site and find out.

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.

This is an informative biography discussing the role Thurgood Marshall had in the Civil Rights Movement, particularly as a U.S. Supreme Court Justice.

A collection of puzzles, activities, lessons, and games related to Mammoth Cave, cave systems in general, and related topics, such as fossils, bats, weathering, and erosion.

Site explains the federal law that was passed in 1990 that protects Native American cultural items: the Native American Graves Protection and Repatriation Act(NAGPRA). The site answers FAQ on the NAGPRA and keeps online databases of artifacts and human remains.

The North Cascades has 316 glaciers. Learn how they were formed and how they affect the land.

Read about the necessity for a loose organization such as the Underground Railroad. Click on "List of Sites" to find out about Underground Railroad stations across the north.

The National Park Service gives information on glaciers during the Bull Lake glaciation period and the Pinedale glaciation period. Find out what happened to these glaciers and what they left behind.