Northern California is a great place to be if you find yourself itching for an underground adventure. After all, our region is full of awesome caves that are just begging to be explored. However, the caverns featured below may just be some of the most unique our state has to offer. Mercer Caverns is one of the most popular cave systems in Northern California, and for good reason. These caverns are simply awe-inspiring and they represent a side of California that most people have never seen before. Add a touch of adventure into your life and explore this unique destination soon. Check it out.

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Have you explored Mercer Caverns before? These caves look absolutely outstanding. Take a look at our list of 11 Underground Adventures In Northern California for more one-of-a-kind destinations that belong on your bucket list.

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