Painted Hills, John Day Fossil Beds National Monument, Painted Hills Unit, Oregon, USA.
A sunset sky adds colors to clouds over a field of wildflowers at Rowena Crest, Oregon, USA.
Popcorn-like texture from the various layers of erosion at Painted Hills, John Day Fossil Beds National Monument, Painted Hills Unit, Oregon, USA. The colors were created from oxidized mineral deposits in the heavily eroded volcanic ash layers.