Aaron Huey's effort to photograph poverty in America led him to the Pine Ridge Indian Reservation, where the struggle of the native Lakota people -- appalling, and largely ignored -- compelled him to refocus. Five years of work later,...

After the California Gold Rush of 1848, settlers streamed west to strike it rich. In addition to precious metals, they unearthed another treasure: dinosaur bones. Two wealthy scientists in particular— Othniel Charles Marsh and Edward...

The mid-1800s saw diverse groups moving into the American interior. While this fueled U.S. growth, it also displaced Indigenous peoples, whose struggles continue today.

The Transcontinental Railroad, completed in 1869, revolutionized coast-to-coast travel in the United States. But this progress came at a significant cost to Indigenous Peoples, impacting their lands and way of life.

Throughout the 1800s, innovations in transport and communication, from canals to the telegraph, bridged geographical distances and made it faster to move people, produce and post.

In 1853, the United States paid Mexico $10 million for less than 30,000 square miles of land, facilitating the completion of a Southern transcontinental railroad and decades of economic growth.

The Chinese Exclusion Act of 1882 barred Chinese immigration into the United States, the first time the U.S. government had barred an ethnic group, leading to decades of injustice.

The Panic of 1873, triggered by railroad bond failures, reshaped the economic, social and political landscape of the United States for generations.

Between the 1870s and 1900s, the United States experienced a period of rapid economic growth. But beneath the shiny veneer of the Gilded Age lurked profound inequality and widespread want.

The Kansas-Nebraska Act of 1854 allowed territories to decide on slavery through popular sovereignty, escalating tensions that led to the Civil War.

Wyoming and Colorado are two states that would appear to have many similarities. Location, physical geography, history and even their very shapes mirror each other in interesting ways. However, Colorado has ten times the population as...

Learn about the amazing engineering feat of the First Transcontinental Railroad and the ingenious Americans who constructed it.

Discover how the California Gold Rush reshaped the United States, from the rise of the Transcontinental Railroad to the lasting effects on Native and Chinese communities. Learn how the Gold Rush set the stage for California's...

Dr. Forrester talks about the Chinese-American culture and how it has influenced our culture in the United States.

Dr. Forrester talks about the Transcontinental Railroad and how it dramatically changed America. She then talks about those who settled in the Great Plains, including ranchers and farmers.

Dr. Forrester explains how the evolution of transportation provided easier access to the western region for hundreds of thousands of settlers from the eastern United States, and as a result, cities and towns developed in the west.

Dr. Forrester talks about how transportation, such as the Wells Fargo stagecoach, influenced the development of cities and industries in the western region.

Dr. Forrester compares and contrasts the positive and negative effects of technology by recognizing such outcomes as inventions, efficiency, pollution, and replacement of jobs with robots.

Learn the very basics about the 19th century Grange formation. What did they want, whom did they hate on?

Take a quick trip down the Erie Canal of Explaining as we look at how this revolutionary transportation system changed the course of United States History. Join me as we lay down the tracks of learning by covering the basics on the...

This clip explores the historical history, and some important cultural features of the Great Plains Region.

A short video lecture detailing the main concepts of the Industrial Age. Geared for the United States History Regents examination. Students who would benefit include juniors taking a U.S. History course or perhaps for reviewing the...

Mike Read, International Space Station Commercial Space Utilization Manager, discusses NASA's new directive that further opens up the station for commercialization and space tourism with the goal of developing a robust economy in...

Supplying almost three million soldiers with the food, clothes and resources they needed to fight the Civil War was no easy task. So which side proved most successful?