
Kasha-Katuwe Tent Rocks National Monument, New Mexico
The "tent rocks" of Kasha-Katuwe Tent Rocks National Monument were formed by erosion of an ancient deposit of volcanic rock and ash, with cone-shaped formations up to 90 feet tall.

The "tent rocks" of Kasha-Katuwe Tent Rocks National Monument were formed by erosion of an ancient deposit of volcanic rock and ash, with cone-shaped formations up to 90 feet tall.