Mammoth Hot Springs • August, 2008
Travertine terraces; formed over thousands of years as dissolved calcium carbonate found in geothermal spring water has cascaded downhill, creating a "frozen waterfall."
Yellowstone National Park, Wyoming, USA
[To keep those “stuck-at-home” blues at bay, I’ve decided to comb through 4TB of travel photos from the past 15 years and upload a couple of shots each week.]