Prehistoric basalt flows at California’s Mojave National Preserve.
Waves crash onto the rough, rocky shore of the east side of Cozumel, Mexico.
Moss-covered rocks found in the forest near Cherokee, North Carolina.
Distant winter mountains line the horizon as seen from the Great Salt Lake’s Antelope Island, Utah.
The Guadalupe River flows over rocks near Gruene, Texas.
Granite blocks along the Galveston, Texas, seawall absorb the pounding surf of the Gulf of Mexico.