Volcanoes - Atlas Obscura

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Volcanoes

Guatuso, Costa Rica

Pozas Celestes

The translucent turquoise hue of these natural swimming pools comes from a high concentration of minerals.
Unaweep Divide, west.
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Discover Geological Oddities in Colorado

Over 2 billion years of diverse tectonic forces turned Colorado into a playground for the geologically inclined.