Crystal Caves, Wisconsin

On our way from Michigan to Minnesota, we stopped at the Crystal Caves in Spring Valley, Wisconsin.  We took a really neat 1 hour tour down 7 stories under the earth and saw bats, interesting rock formations, and crystals.  An interesting fact we all should know…the reason these underground caverns form is because the softer earth and bedrock is eaten and rinsed away by carbonic acid.  The same stuff in our soft drinks!  No wonder dentists don’t like soda (or pop, as it’s called out here). 

Published in: on July 31, 2007 at 10:39 pm  Leave a Comment  

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