4

Yellowstone National Park

4

Grand Canyon

4

Maddy's North Carolina Diary

4

Maddy's South Dakota Diary

4

Maddy's California Diary

4

Maddy's Utah Diary

4

Maddy's Kentucky Diary

3

Fjords of the World

4

Mount Rushmore

4

Maddy's Pennsylvania Diary

4

Maddy's Colorado Diary

4

Chip's Tips on Kenya

4

Maddy's Ohio Diary

4

Maddy's North Dakota Diary

4

Table Mountain, South Africa

3

Valleys of the World

4

Maddy's Texas Diary

4

Maddy's Arizona Diary

4

Sossusvlei Dunes, Namibia

4

Maddy's Montana Diary

4

Chip's Tips on Botswana

4

Chip's Tips on Ghana

4

Maddy's Virginia Diary

3

Canyons of the World

4

Maddy's Idaho Diary

4

Mount Fuji, Japan

4

Chip's Tips on Rwanda

4

Maddy's Oregon Diary

4

Maddy's Arkansas Diary

4

Serengeti, Tanzania