The very next day I went hiking . . .
After about two hours of walking around I came upon this site. It looked exactly like my dream. I had to climb up about 15 feet to get to it but needless to say, I went in! It went back about 20 feet and at the very back was a crack about 18 inches wide and I could see another tunnel heading off at a 90 degree angle from the crack. I don't think I've ever taken my pack off so quick!
The rocks that formed this triangle shape are larger than a full size SUV.
Once I was into the crack I could kneel down and get into this small tunnel. It turned out there was a small opening at the other end that would take you out but it also turned out I'm too fat to get through that opening! I guess that comes from eating too much of Q's asian style ribs. LOL
The tunnel went back about 10-12 feet.
There wasn't anything in the tunnel except some rocks that I couldn't figure out where they came from but it had to be one of the weirdest days I've had in a long time.
These were shot with the Nikon S8100 and the bottom photo was with the built in flash.