| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S03E01 | Yosemite |
February 20, 2013
|
28 | |
| S03E02 | Volcanic: Mt. Rainier |
February 20, 2013
|
7 | |
| S03E03 | Volcanic: Lassen Volcanic |
February 20, 2013
|
5 | |
| S03E04 | Volcanic: Haleakala |
February 20, 2013
|
4 | |
| S03E05 | Volcanic: Hawai'i Volcanoes |
February 20, 2013
|
8 | |
| S03E06 | Mountains: Great Smokies |
February 20, 2013
|
8 | |
| S03E07 | Mountains: Guadalupe Mountains |
February 20, 2013
|
5 | |
| S03E08 | Mountains: Rocky Mountain |
February 20, 2013
|
5 | |
| S03E09 | Mountains: Great Sand Dunes |
February 20, 2013
|
6 | |
| S03E10 | Mountains: Grand Teton |
February 20, 2013
|
6 | |
| S03E11 | Mountains: North Cascades |
February 20, 2013
|
3 | |
| S03E12 | Mountains: Glacier |
February 20, 2013
|
7 | |
| S03E13 | Alaska: Gates of the Arctic |
February 20, 2013
|
3 | |
| S03E14 | Alaska: Kobuk Valley |
February 20, 2013
|
4 | |
| S03E15 |
Alaska: Wrangell-St. Elias
series finale
|
February 20, 2013
|
6 | |
| S03E16 | Alaska: Denali |
February 20, 2013
|
5 | |
| S03E17 | Alaska: Katmai |
February 20, 2013
|
6 | |
| S03E18 | Alaska: Kenai Fjords |
February 20, 2013
|
5 | |
| S03E19 | Alaska: Lake Clark |
February 20, 2013
|
4 | |
| S03E20 |
Alaska: Glacier Bay
season finale
|
February 20, 2013
|
5 |
No artwork of this type.
No artwork of this type.
No artwork of this type.