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.