I took my dogs with me recently to a trip to Minnesota where I let them play on a sandy beach.

Portrait of a Raven in black and white, taken in Arches National park

Foliage subtly highlighted by reflected light from the steep desert walls of the sandstone cliffs in this black and white image from Arches National Park, Moab Utah

Bold shapes and shadows, and subtle textures in Moab's Arches National Park ancient sandstone structures.