5 p.m., Aug. 25
Climbing out of one of the many "mud caves" found in the Anza Borrego Desert. (Photo by Andrew Accardi)
Posted March 29, 2013
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Spelunk away: one of the world's most extensive mud cave formations is just two hours east.
In the geographical wonders of the Anza-Borrego desert, you will find a unique Southern California feature: mud caves, deep caves created by flowing silt from an ancient lake bed, eroded by wind and rain. They're ...