3

Capes and Peninsulas of the World

4

Maddy's Maryland Diary

4

Chip's Tips on Canada

3

Christopher Columbus

4

Maddy's Connecticut Diary

4

Chip's Tips on United States

4

Chip's Tips on Ghana

3

Bays of the World

4

Chip's Tips on Chile

3

Juan Ponce de León

4

Aquatic

4

Sossusvlei Dunes, Namibia

4

Maddy's Maine Diary

4

Table Mountain, South Africa

3

Isthmuses of the World

4

Maddy's New York Diary

4

Maddy's North Carolina Diary

3

Vasco da Gama

3

Coastal Plains of the World

4

Maddy's Florida Diary

3

Straits of the World

3

Glaciers of the World

4

Chip's Tips on South Africa

3

Coral Reefs of the World

4

Maddy's New Jersey Diary

4

Maddy's Delaware Diary

4

Maddy's Georgia Diary

4

Chip's Tips on Nigeria

4

Maddy's Rhode Island Diary

3

Amerigo Vespucci