1311-929 - A very long fossilized tree along the Long Logs Trail at Petrified Forest National Park Arizona.

1311-918 - A petrified tree log that has shattered over time. Located on a mesa near Hamilili Point on the south end of Petrified Forest National Park Arizona.

860-292276 - The Petrified Forest National Park is home to thousands of fossilized tree trunks approximately 200 million years old (Triassic period). Arizona. USA.

1311-538 - The red water of Lithodendron Wash, red from bentonite clay, in Petrified Forest National Park, Arizona, United States of America, North America

1311-478 - A petrified tree stump along the east rim of Tiponi Valley in Petrified Forest National Park Arizona.

1218-1477 - Man enjoying the view along The Petrified Forest Loop Trail inside Theodore Roosevelt National Park, North Dakota, United States of America, North America

1311-352 - A giant petrified log on the Purple Peninsula in Petrified Forest National Park, Arizona, United States of America, North America

1311-353 - Giant petrified logs on the Purple Peninsula in Petrified Forest National Park, Arizona, United States of America, North America

1311-297 - One of the few petrified trees almost intact, The Onyx Bridge in Petrified Forest National Park, Arizona, United States of America, North America

1311-299 - One of the few petrified trees almost intact, The Onyx Bridge in Petrified Forest National Park, Arizona, United States of America, North America

1311-298 - One of the few petrified trees almost intact, The Onyx Bridge in Petrified Forest National Park, Arizona, United States of America, North America

1311-282 - Petrified Wood in the First Forest of Petrified Forest National Park, Arizona, United States of America, North America

1311-283 - Panorama of the setting sun at the First Forest in Petrified Forest National Park, Arizona, United States of America, North America

1116-48764 - The salt pan of Deadvlei, Sossusvlei, Hardap Region, Namibia

1311-189 - A petrified log called the Agate Bridge in Petrified Forest National Park, Arizona, United States of America, North America

1311-190 - A petrified log called the Agate Bridge in Petrified Forest National Park, Arizona, United States of America, North America

746-65994 - Petrified wood, Arizona, United States of America, North America

29-5358 - Pinnacles of volcanic ash, Urgup, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia

764-4784 - Petrified tree trunk in the badlands, Bisti Wilderness, New Mexico, United States of America, North America

816-6667 - Fossilised Jurassic age trees exposed at low tide at Curio bay, the Catlins, South Island, New Zealand, Pacific

816-6666 - Fossilised Jurassic age trees exposed at low tide at Curio bay, the Catlins, South Island, New Zealand, Pacific

832-124032 - Sulfur vapor, petrified trees in New Blue Spring Road, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America

832-123994 - Petrified tree, runoff area of the Grand Prismatic Spring, Midway Geyser Basin, colored thermophilic bacteria, microorganisms, hot springs, Yellowstone National Park, Wyoming, United States of America, USA

832-123971 - Devil's Thumb, Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, petrified trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of Am

832-123965 - Petrified tree in New Blue Spring Terrace, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123964 - Petrified trees in New Blue Spring Terrace, limestone sinter terraces, steaming geysers, hot springs, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of America, USA

832-123972 - Devil's Thumb, Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, petrified trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of Am

832-123970 - Devil's Thumb, Palette Spring Street, Lower Terraces, limestone sinter terraces, geysers, hot springs, colorful thermophilic bacteria, microorganisms, petrified trees, Mammoth Hot Springs Terraces in Yellowstone National Park, Wyoming, United States of Am

831-1042 - Petrified Tree near Tower-Roosevelt, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

765-1314 - Close-up of fossilised tree trunks, Petrified Forest, Damaraland, Kunene Region, Namibia, Africa

765-1313 - Petrified Forest, fossilised tree trunks, Damaraland, Kunene Region, Namibia, Africa