The tafoni sandstone formations along the central California coast are a result of cavernous weathering which is caused by wind and ocean environments.
Frostastaðavatn is a lake in Iceland's interior near Landmannalaugar. While doing an aerial photographic tour, these volcanic patterns with mossy greens caught my eye.
Death Valley's Amargosa Range is full of interesting geology with a myriad of colors and patterns. At sunset, the hills light up with a golden glow along the Badwater Basin.