• Growth of a Nation Animated Atlas *
• Westward Expansion (a Biography of America)
• ARTICLE: Westward Expansion
• Westward Expansion Interactive Map
• INTERACTIVE: The Northwest Territory - with background information for you to listen (press play)
• INTERACTIVE: The War of 1812 - with background information for you to listen (press play)
• INTERACTIVE: Texas War for Independence 1835-1836 - with background information for you to listen (press play)
• INTERACTIVE: The War with Mexico 1846-1848 - with background information for you to listen (press play)

• VIDEO & ARTICLE: The Louisiana Purchase Doubles U.S. (History Channel)

• ARTICLE: Thomas Jefferson
• ARTICLE: Meriwether Lewis
• ARTICLE: William Clark
• The Lewis & Clark Expedition Animated Map
• VIDEO: The Lewis & Clark Expedition (animated)
• VIDEO: The Lewis & Clark Expedition (1:50) - History Channel
• The West: Corps of Discovery
• PBS Lewis & Clark Site
• Scholastic Lewis & Clark Site
• JOURNAL EXCERPTS: Lewis & Clark Entries
• GALLERY: Gallery for Lewis & Clark Expedition Journal Entries with Drawings
• GALLERY: Artifacts & Images from the Lewis & Clark Expedition

• ARTICLE: National Geographic: Searching for Sacagawea
• ONLINE BIOGRAPHY: Awesome Stories: Sacagawea 
• ARTICLE: Sacagawea (History Channel)

• QUIZ: Do You Have What it Takes to be a Pioneer?
• QUIZ: Planes, Trains & Spare Wagon Wheels: Take a Pioneer Journey
• IMAGES: Covered Wagons (for art project)

The California Gold Rush

The Trans-Atlantic Railroad

• Introduction to the Railroad
• The Northern Pacific Railroad