71450035 - Waterfall flows over sinter terraces, Plitvice Lakes, Plitvice Lakes National Park, UNESCO World Heritage Site Plitvice Lakes, Croatia70035997 - Limestone sinter terraces, Pamukkale, Denizli, Turkey70035852 - Limestone sinter terraces, Pamukkale, Denizli, Turkey70035877 - Turkish family at the limestone sinter terraces, Pamukkale, Denizli, Turkey70035859 - Sunset over the limestone sinter terraces, Pamukkale, Denizli, Turkey70035875 - Tourist at the limestone sinter terraces, Pamukkale, Denizli, Turkey70035990 - Limestone sinter terraces, Pamukkale, Denizli, Turkey70035862 - Limestone sinter terraces, Pamukkale, Denizli, Turkey70035848 - Limestone sinter terraces, Pamukkale, Denizli, Turkey70035867 - Boy scouts at the limestone sinter terraces, Pamukkale, Denizli, Turkey70035854 - Antike sarcophagus, Limestone sinter terraces, Pamukkale, Denizli, Turkey70035846 - Sunset over the limestone sinter terraces, Pamukkale, Denizli, Turkey71207626 - sinter terraces of Badab-e Surt, Iran, Asia70035850 - Limestone sinter terraces, Pamukkale, Denizli, Turkey70035855 - Antike sarcophagus, Limestone sinter terraces, Pamukkale, Denizli, Turkey71207625 - sinter terraces of Badab-e Surt, Iran, Asia71449626 - Stream Weiße Lauter flows over sinter terraces, Lenninger Tal, Lenningen, Swabian Alb, Baden-Württemberg, Germany13882145 - Grand Prismatic Spring is one of the largest and most beautiful examples of a common hydrothermal feature in Yellowstone National Park and one of the largest hot springs in the United States. The prismatic, colorful features come from several sources; the deep blue in the center is the clear super-heated water circulating up from the subterranean heat source and shows a pair of convection currents, like a pair of eyes. As the water cools at the edges of the pool and on the sinter terraces, bacteria and algae produce the rainbow of colors. This hot spring was specifically mentioned in Osborne R13882172 - Grand Prismatic Spring is one of the largest and most beautiful examples of a common hydrothermal feature in Yellowstone National Park and one of the largest hot springs in the United States. The prismatic or colorful features come from several sources; the deep blue in the center is the clear super-heated water circulating up from the subterranean heat source and as the water cools at the edges of the pool and on the sinter terraces, bacteria and algae produce the rainbow of colors. This hot spring was specifically mentioned in Osborne Russell's Journal of a Trapper, by the name of Boiling La13882140 - Grand Prismatic Spring is one of the largest and most beautiful examples of a common hydrothermal feature in Yellowstone National Park and one of the largest hot springs in the United States. The prismatic or colorful features come from several sources; the deep blue in the center is the clear super-heated water circulating up from the subterranean heat source and as the water cools at the edges of the pool and on the sinter terraces, bacteria and algae produce the rainbow of colors. This hot spring was specifically mentioned in Osborne Russell's Journal of a Trapper, by the name of Boiling La13882144 - Grand Prismatic Spring is one of the largest and most beautiful examples of a common hydrothermal feature in Yellowstone National Park and one of the largest hot springs in the United States. The prismatic, colorful features come from several sources; the deep blue in the center is the clear super-heated water circulating up from the subterranean heat source and shows a pair of convection currents, like a pair of eyes. As the water cools at the edges of the pool and on the sinter terraces, bacteria and algae produce the rainbow of colors. This hot spring was specifically mentioned in Osborne R70035870 - Tourists in natural Pool, Sinter Terraces of Pamukkale, Turkey70035995 - Sinter terraces of Pamukkale, Turkey70035861 - Sinter terraces of Pamukkale, Turkey70036132 - Sinter terraces of Pamukkale, Turkey70035843 - Sinter terraces of Pamukkale, Turkey70035367 - Champagne Pool, Sinter Terraces, Waiotapu Thermal Park, Rotorua, North Island, Neuseeland70035992 - Sinter terraces of Pamukkale, Turkey70994585 - Sinter terraces at Orakei Korako (Hidden Valley) geothermal area, Taupo Volcanic Zone, North Island, New Zealand70029484 - Sinter Terraces, Pamukkale, Western Turkey70994586 - Father with his two children running down steps, Sinter terraces at Orakei Korako (Hidden Valley) geothermal area, Taupo Volcanic Zone, North Island, New Zealand71224551 - sinter terraces on the Roaring mountain, Yellowstone National parc, Wyoming, USA71224552 - sinter terraces on the Roaring mountain, Yellowstone National parc, Wyoming, USA71131467 - Mammoth Hot Springs Terraces , Mammoth Hot Springs , Yellowstone National Park , Wyoming , U.S.A. , America71131426 - Mammoth Hot Springs Terraces , Mammoth Hot Springs , Yellowstone National Park , Wyoming , U.S.A. , America71131424 - Mammoth Hot Springs Terraces , Mammoth Hot Springs , Yellowstone National Park , Wyoming , U.S.A. , America71131469 - Mammoth Hot Springs Terraces , Mammoth Hot Springs , Yellowstone National Park , Wyoming , U.S.A. , America71131425 - Mammoth Hot Springs Terraces , Mammoth Hot Springs , Yellowstone National Park , Wyoming , U.S.A. , America71131423 - Mammoth Hot Springs Terraces , Mammoth Hot Springs , Yellowstone National Park , Wyoming , U.S.A. , America71131422 - Mammoth Hot Springs Terraces , Mammoth Hot Springs , Yellowstone National Park , Wyoming , U.S.A. , America10307198 - Shadow of woman on sand in Pamukkale, Aegean, Turkey10306679 - View of Pamukkale in Aegean, Turkey10306922 - View of Pamukkale in Aegean, Turkey10307167 - View of Pamukkale in Aegean, Turkey10307205 - View of Pamukkale in Aegean, Turkey10307206 - View of Pamukkale in Aegean, Turkey10307202 - View of Pamukkale in Aegean, Turkey10307204 - View of Pamukkale in Aegean, Turkey10307168 - View of Pamukkale in Aegean, Turkey10307225 - View of Pamukkale in Aegean, Turkey10307203 - View of Pamukkale in Aegean, Turkey70079020 - Erawan Waterfalls, Erawan National park, Si Sawat District, Kanchanaburi, Thailand