Jack Dykinga / Sawtooth evening primrose {Oenothera pallida} flowering in San Rafael desert, Utah, USA

Jack Dykinga / Sandstone hoodoos at sunset with Sawtooth evening primrose (Oenothera pallida) and Locoweed (Astragalus sp) in foreground, San Rafael Desert, Utah, USA

Hanne & Jens Eriksen / San Rafael Glacier calving, Chilean Fjords, Chile, South America

Pete Oxford / San Rafael / Coca Falls, Quijos river, Amazonia, Ecuador

Tom Vezo / Rainbow Cactus (Echinocereus pectinatus) in bloom, San Rafael grasslands, Arizona

Michael & Patricia Fogden / San Rafael Coca Falls, Quijos River, foothills of the Andes, Ecuador

Tom Vezo / Prairie Falcon (Falco mexicanus) with Gambel's Quail (Callipepla gambelii), San Rafael grasslands, Arizona

Pete Oxford / San Rafael or Coca Falls on the Quijos River, Amazon, Ecuador

Tui De Roy / San Rafael Falls on the Coca River squeezes through a lava canyon in wet temperate rainforest, Ecuador

Tom Vezo / Prairie falcon with mourning dove prey {Falco mexicanus} Arizona, USA San rafael grasslands

Michael & Patricia Fogden / San Rafael Falls, Cayambe Coca Ecological Reserve, Ecuador

Hanne & Jens Eriksen / Blue ice Laguna san Rafael Chile