Kirkendall-Spring / Travertine limestone terraces of Mammoth Hot Springs in Yellowstone National Park, Wyoming, USA, June 2013.
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Jack Dykinga / Navajo Falls with travertine formations in the river acting as circular-shaped spill ways, Havasupai Reservation, Arizona, USA
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Jack Dykinga / Havasu Falls with travertine formations in the river creating spillways, and Fremont cottonwood trees (Populus fremontii), dawn, Havasupai Reservation, Arizona, USA
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Wild Wonders of Europe / Biancarelli / Early morning in the Milanovac lake, Upper Lakes, Plitvice Lakes National Park, Croatia, October 2008
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Wild Wonders of Europe / Biancarelli / Waterfalls and abundant mosses (Cratoneuron commutatum) and (Bryum ventricosum) growing on the Labudovac barrier, Upper Lakes, Plitvice Lakes National Park, Croatia, October 2008
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Wild Wonders of Europe / Biancarelli / Galovac Buk waterfalls, Upper lakes, Plitvice Lakes National Park, Croatia, October 2008
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Wild Wonders of Europe / Biancarelli / Galovac Buk waterfalls, Upper lakes, Plitvice Lakes National Park, Croatia, October 2008
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Wild Wonders of Europe / Biancarelli / Plitvicka Slap and Sastavci waterfalls, Plitvice Lakes National Park, Croatia, October 2008
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Wild Wonders of Europe / Biancarelli / Small cascade on travertine, Galovac barrier, Upper Lakes, Plitvice Lakes NP Croatia, October 2008
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Wild Wonders of Europe / Biancarelli / Water disappearing underground, Ciginovac lake, Upper Lakes, Plitvice Lakes National Park, Croatia, October 2008
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Wild Wonders of Europe / Biancarelli / Galovac Buk waterfalls, Upper lakes Plitvice Lakes National Park, Croatia, October 2008
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Pete Oxford / Dead trees in Mammoth Hot Springs travertine terraces, Yellowstone National Park, Wyoming
