Before there was color landscape photography, there was painting. One of the great landscape artists was Albert Bierstadt, whose Valley of the Yosemite is currently featured on a 42-cent stamp:
The Art Renewal Center advertises itself as the internet’s largest online art museum, and has hundreds of high-resolution Bierstadt paintings (as well as thousands of other paintings).
Bridal Veil Falls, Yosemite
Yosemite Valley
Moat Mountain Intervale, New Hampshire
Lower Yellowstone Falls
A Rocky Mountain Sheep, Ovis montana
Grace and Peace