The Overhanging Boulder, Mid-night CaƱon, Arizona.

Mission San Xavier, Arizona.

Cactus growth, Arizona.

Freighting teams, Prescott.

School house, Prescott.

Camp of Arizona.

The great American cactus, Arizona.

Cathedral San Xavier, Arizona.

Beside the Colorado. Looking up to Zoroaster Tower from Pipe Creek.

Fathoming the depth of a vanished sea.

Sunset over the Grand Canyon of Arizona.

Thos. Moran, America's great scenic artist, sketching at Bright Angel Cove, Ariz.

Thos. Moran, America's great scenic artist, sketching at Bright Angel Cove, Ariz.

Up the Colorado River from Pyrite Point to Zoroaster Tower.

Up the Colorado River from Pyrite Point to Zoroaster Tower.

Up the Colorado River from Pyrite Point to Zoroaster Tower.

Down the Granite Gorge of the Colorado (1200 ft. deep) from Pyrites Point.

Beside the Colorado - looking up to Zoroaster Tower from Pipe Creek.

"The sinuous Colarado, yellow as the Tiber" - north from Bissell's Point.

A mighty red rift in the earth - Bright Angel Canon from O'Neil's Point.

The tourist's view - Sentinel Point and Walcott Peak from Bright Angel Hotel.

The Guardian Giants - work of erosion on the Rim.

A mightly sentinel in a trackless waste - Zoroaster Tower.

Crossing the Lower Plateau towards the Colorado River.

Rounding Cape Horn on the Bright Angel Trail.

Zigzagging down Red Canyon Trail.

In the limestone halfway down Grand View Trail(2).

In the limestone halfway down Grand View Trail.

The Serpentine Fault (asbestos deposit) from the south cliff of the Colorado River.

A Pinion tree which plants its nuts 4000 feet below, Rowe's Point.