Sits on the East side of Hwy. 191 in Eastern Utah between Monticello and Moab, UT.
There is a little prairie dog in the field if you can find him!
This formation is called "Church Rock". I was only able to find limited information on this particular geographical feature. The opening to Church Rock is approximately 16 ft. high and 24 ft. across. The opening was cut by Marie Ogden's religious cult in the early 1920's to make a church. They had plans to hollow out the entire center. These plans were never finished and by 1949 these plans were abandoned, since Marie Ogden's followers had dwindles to just 8 members.