4

Famous Americans: George Washington

4

Famous Americans: Thomas Jefferson

3

Famous People - Part 2

4

Famous Americans: Benjamin Franklin

3

Famous Explorers

3

Famous People - Part 1

4

Famous Americans: Abraham Lincoln

4

Chip's Tips on Cameroon

4

Chip's Tips on Laos

3

Sinkholes of the World

4

Chip's Tips on Algeria

4

Chip's Tips on United States

4

Chip's Tips on Kenya

4

Chip's Tips on Libya

3

Malala Yousafzai

3

Jacques Cartier

3

James Cook

4

Chip's Tips on Russia

3

Canyons of the World

4

Chip's Tips on Zimbabwe

3

Amerigo Vespucci

4

Chip's Tips on Tanzania

3

Coral Reefs of the World

4

Chip's Tips on Gabon

4

Chip's Tips on Equatorial Guinea

4

Chip's Tips on Namibia

4

After the American Civil War

4

Chip's Tips on Papua New Guinea

4

Chip's Tips on Oman

3

Coretta Scott King