The Grand Canyon Caverns, located just a few miles east of Peach Springs, Arizona, lie 210 feet below ground level. They are among the largest dry caverns in the United States. Dry caverns comprise only 3% of caverns in the world. Because of the lack of water, stalagmites and stalactites are rare in the caverns.
During the Mississippian Period, 345 million years ago, the southwestern United States was covered by ocean. Skeletons of sea life settling to the depths, created a mud with a high percentage of calcium. This eventually hardened into the limestone bedrock seen in the caverns today. Over millions of years, the bedrock was pushed up to over 5,000 feet above sea level.
The opening hours may differ (usually 10:00am- 5:00pm) - check the website for updated information.
There are different types of tours and prices vary between $15.95 for short tour and $89.95 for wild tour.
Wikipedia https://en.wikipedia.org/wiki/Grand_Canyon_Caverns
Official website http://www.gccaverns.com/
Facebook https://www.facebook.com/pages/Grand-Canyon-Caverns/594430687241772
Twitter https://twitter.com/gccavern
Email info@gccaverns.com
Phone +1 928 422 4565
Address 115 Mile Marker AZ-66, Peach Springs, AZ 86434, United States
Coordinates 35°31'41.988" N -113°13'50.016" E