4

Famous Americans: Benjamin Franklin

4

Famous Americans: Abraham Lincoln

4

Famous Americans: Thomas Jefferson

3

Famous Explorers

4

Famous Americans: George Washington

3

Famous People - Part 1

3

Famous People - Part 2

3

Leonardo da Vinci

3

Straits of the World

3

Edmund Hillary

4

Chip's Tips on New Zealand

4

Volcanoes

4

Chip's Tips on Russia

4

Chip's Tips on Libya

4

Chip's Tips on South Africa

4

Chip's Tips on Laos

3

Astronauts

3

Meteorites, Meteoroids, and Meteors

3

Francis Drake

3

Rosa Parks

4

America in the 20th Century

3

Jacques Cousteau

3

Helen Keller

3

Wetlands of the World

4

Chip's Tips on United States

4

Chip's Tips on Canada

3

Florence Nightingale

3

Valleys of the World

4

Chip's Tips on Honduras

3

Nyaminyami The Spirit of the River God