Caves - Atlas Obscura

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All Roads Lead to Texas | Texas, Below The Surface

Unaweep Divide, west.

Discover Geological Oddities in Colorado

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

6 Ways To See Texas Below the Surface

How to explore the state’s caves, caverns, and fascinating geology.
Each cave’s beautiful decoration can tell us something about the world that came before us.

How to Decode a Cave

Below California’s surface lies a series of caves that can teach us a lot about our natural world—and its history.