Related Clues:
- Monument Valley features
- Flat formations
- Plateaus' kin
- Buttes' relatives
- Prickly pear and barrel
- Mojave plants
- Arizona plants
- Saguaro and prickly pear
- Cap rock may cap them
- Small plateaus
- Southwestern flattops
- Southwest terrain
- Succulent plants
- They're hardly spineless
- They often break Wile E.'s falls