Trees crusted in frost and thermal features, cold Autumn (Fall) day, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Trees crusted in frost and thermal features, cold Autumn (Fall) day, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

White rhinoceros (Ceratotherium simum), grazing, covered with mud, portrait, Solio Ranch Wildlife Sanctuary, Kenya, Africa

Mono Lake, California, United States of America

Caribbean, Bonaire, Netherlands Antilles, Salt Pan near Lac Bay.

BOLIVIA Altiplano Potosi Salar de Uyuni Laguna Verde. Salt crusted shore and jade coloured water. Colored Colored

Close up of sesame crusted tuna on a plate, Vietnam

Tara Oceans Expeditions - May 2011. Bubbles rise from underwater volcanic vents among rocks, the openings are crusted with sulfur, Roca Redonda, Galapagos, Ecuador