Sapphire: Montezuma Well, a water-filled sinkhole in the Montezuma Castle National Monument, Arizona. Every day 1.5 million gallons (5.7 million liters) of subterranean water rise up to replenish the well.
Please click photo for enlarged view.
Sapphire: Montezuma Well, a water-filled sinkhole in the Montezuma Castle National Monument, Arizona. Every day 1.5 million gallons (5.7 million liters) of subterranean water rise up to replenish the well.
Please click photo for enlarged view.

View from the north rim of Picture Canyon, in Flagstaff, Arizona.
Several dozen mature ponderosa pines grow in the canyon bottom. I estimate that the majestic tree shown in the background of this photo is about 4 feet (1.2 m) in diameter at breast height.
View from the north rim of Picture Canyon, in Flagstaff, Arizona.
Several dozen mature ponderosa pines grow in the canyon bottom. I estimate that the majestic tree shown in the background of this photo is about 4 feet (1.2 m) in diameter at breast height.
View of the exposed south-facing north wall of Picture Canyon, in Flagstaff, Arizona.

View of the exposed south-facing north wall of Picture Canyon, in Flagstaff, Arizona.
Mormon Lake, Coconino County, Arizona.
Mormon Lake, Coconino County, Arizona.
Cinder field.
At Sunset Crater Volcano National Monument, Arizona.
Tomorrow … ruins!

Cinder field.
At Sunset Crater Volcano National Monument, Arizona.
Tomorrow … ruins!
Uprooted ponderosa pine.
The snow-covered San Francisco Peaks can be seen in distance. Please click photo for full view.
At Sunset Crater Volcano National Monument, Coconino County, Arizona.