01. Grand Canyon
No details
44min
May 18, 2015
02. Yellowstone
No details
44min
May 19, 2015
03. Everglades
No details
44min
May 20, 2015
04. Smoky Mountains
No details
44min
May 21, 2015
05. Yosemite
No details
44min
May 22, 2015
06. Olympic
No details
44min
May 22, 2015
07. Saguaro
No details
44min
May 26, 2015
08. Gates of the Arctic
No details
44min
May 27, 2015