9. Fly Geyser, Nevada
Fly Geyser in the Black Rock Desert is quite colorful. Back in the 1960s, a geothermal energy company was drilling in search of a power source. The water they struck was not hot enough and they failed to seal off the opening correctly. Thus, the geyser spews steam and water to this day.
10. Crater Lake, Oregon
Crater Lake is the deepest in the US. At its deepest point, it is 1,943 feet deep. Located in Crater Lake National Park, it was formed roughly 8,000 years ago when the volcanic Mount Mazama erupted and created a caldera that was very slowly filled with rainwater and snowmelt.
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