Tony Sernack, Lençóis Maranhenses, Brazil (AERIAL 2026)

Tannin-colored, dark waters in Lençóis Maranhenses National Park come from the Rio Negro (Black River), which snakes through the vast expanse of white sand dunes in northern Brazil. This image was taken from a light plane.

Images have been resized for web display, which may cause some loss of image quality. Note: Original high-resolution images are used for judging.