Rocks - Atlas Obscura

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Rocks

Itinerary

6 Ways To See Texas Below the Surface

How to explore the state’s caves, caverns, and fascinating geology.
caves

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.
Northern Territory, Australia

Rainbow Valley

This sacred site lives up to its name with its majestic, color-splashed sandstone formations.
List

10 Places to Experience Nevada’s Extraordinary Geological Gems

From active opal mines to mind-boggling natural sand art.