The critically acclaimed PBS series, "The West," provides the text of the actual Pacific Railway Act, designed to aid in the construction of a Railroad and Telegraph Line from the Missouri River to the Pacific Ocean.

This PBS series companion for The Roman Empire: Ancient Voices, The Social Order, and Life in Roman Times features a text and visual narrative about life in first century Rome.

Inventor Nikola Tesla is the subject of this extensive PBS site. In addition to information on Tesla's life and work, the site offers insight into the ways in which society and invention affect each other.

PBS provides in-depth news coverage of Obama's presidential transition including analysis, interviews, background reports, a list of key positions (named as they are filled), and related links. Continuously updated.

Video and summary by PBS on the violent uprising of February, 2011. The video discusses the fact that Moammar Gadhafi has engaged the military to handle the protests. February, 2011

Reports of current economic news and analysis on PBS, NewsHour with Jim Lehrer.

Delve deep into the anatomy of Hurricane Katrina through this interactive produced by PBS. The interactive contains slides, videos and charts that begin with the birth of Katrina. Follow her path as she gains strength and finally falls...

At the online companion Web site of "Evolution," the seven-episode series on PBS, piece together clues to how one of our early ancestors looked as you examine images from four significant fossil finds of Australopithecus afarensis.

This resource provides activities in art, literature, social studies, science, music and more. PBS kids primarily focuses on early elementary children, K-2.

This interactive activity, from the Web site developed for the PBS series "Building Big," use your knowledge of bridge design to match the right bridge location in a fictitious city.

This lesson plan is based on Willie Nelson lyrics, and the PBS feature on him. It focuses on brainstorming and choral reading skills. In addition to the lesson plan, there is information on how to do guided reading and choral reading.

This companion to the PBS series surveys the career of the longest-serving president in U.S. history and leader through the Great Depression and World War II.

This PBS site follows undercover journalist Nellie Bly (1864-1922) on her 72-day journey in 1889 around the world.

The amazing story of the meeting between the Lemhi Shoshones and the Corps of Discovery. Read the part Sacagawea played in the success of the encounter. From PBS.

A look at the hostile encounter between the Teton Sioux and the men of the Corps of Discovery on their voyage up the Missouri River in 1804. From PBS.

Read about the encounter the Corps of Discovery had with the Tillamook Indians and a whale. From PBS.

What good hosts the Walla Walla Indians were to the Corps of Discovery. Read about the gifts exchanged and the celebrations held when Lewis, Clark, and their men stopped by for a visit. From PBS.

A look at a little-known tribe, the Wishram Indians, encountered by the Corps of Discovery on their return trip up the Columbia River. Read about the importance of trade networks to the Indians. From PBS.

Read about what the Yankton Sioux wanted from Lewis and Clark and why they were disappointed when they met the Corps of Discovery on its journey up the Missouri River. From PBS.

Part of the PBS site, "The West," this link gives a general explanation of the Lewis and Clark expedition. Links to biographies.

PBS Provides an article on the Shoshone Indians and the Lewis and Clark expedition.

This site from PBS provides a biography detailing the life of the environmentalist and writer, Rachel Carson (1907-1964 CE).

This site provides an overview of cap and trade provisions in the American Clean Energy and Security Act of 2009. Additionally links to six climate related stories from PBS are provided.

To commemorate the 25th anniversary of the explosion of the Challenger, PBS provides an article that describes the repercussions of the disaster.