Sandstone Cliffs in Zion National Park - Utah. Zion’s sandstone cliffs—in hues of creams, pinks, and reds—reveal clues to the geologic events that were important in shaping this national park, the first established in Utah, USA.
Been there, it is beautiful! Bryce Canyon National Park - Utah - incredible to hike down through here - the rock formations are called hoodoos. there is one part that you hike through between the walls and it is called "Wall Street" .
Tuzigoot National Monument, Clarkdale, AZ Tuzigoot National Monument preserves a 2 to 3 story pueblo ruin on the summit of a limestone and sandstone ridge just east of Clarkdale, Arizona, 120 feet above the Verde River floodplain.