The National Parks: America's Best Idea · S01E01 "The Scripture of Nature (1851 – 1890)"

E2

The Last Refuge (1890 – 1915)

E3

The Empire of Grandeur (1915 – 1919)

E4

Going Home (1920 – 1933)

E5

Great Nature (1933 – 1945)

E6

The Morning of Creation (1946 – 1980)