4
Famous Americans: Thomas Jefferson
4
Canterbury Cathedral, Canterbury, England
4
Maddy's West Virginia Diary
4
History of the United States
4
Mount Rushmore
3
Comets
4
From the American Revolution to the Civil War
4
Maddy's Montana Diary
4
Gateway Arch
4
America in the 20th Century
3
Galaxies
4
Maddy's New Jersey Diary
4
Maddy's South Dakota Diary
4
Washington Monument
4
Chip's Tips on United States
4
Maddy's Virginia Diary
4
An Introduction to the History of the United States of America
4
The American Revolution
3
Inventors and Inventions
4
The White House
3
Sacagawea