4

Patsy and Paul at Machu Picchu in Peru

3

Marco Polo

4

Maddy's Texas Diary

4

Chip's Tips on Mauritius

4

Maddy's Pennsylvania Diary

3

Drainage Basins of the World

4

Chip's Tips on Jamaica

4

Patsy and Paul at Angkor Wat in Cambodia

4

Maddy's Indiana Diary

3

Glaciers of the World

3

Straits of the World

4

Maddy's Colorado Diary

3

Common Traffic Signs

4

Maddy's Alaska Diary

3

Capes and Peninsulas of the World

4

Maddy's Oklahoma Diary

4

Maddy's Wisconsin Diary

4

Maddy's Wyoming Diary

4

Maddy's Maine Diary

4

Chip's Tips on Ivory Coast

4

Maddy's California Diary

4

Chip's Tips on Venezuela

4

Maddy's New Hampshire Diary

4

Bazaruto Archipelago, Mozambique

4

Chip's Tips on Mexico

3

Astronauts

4

Chip's Tips on Canada

4

Maddy's North Carolina Diary

4

Niagara Falls

4

Chip's Tips on Tunisia