Found it! The Newark Earthworks in Newark,OH
I had never heard of this place before now, very interesting.
Now.... find this one!
A special offer... I'll buy whoever moves this tag lunch here (great food)!
** tagger not responsible for your skills in the gravel lot of this establishment **
*** offer contingent on my availability and this establishments hours of operation ***
**** if myself or the establishment is unable to provide lunch upon tagging, winner may redeem prize at some other convenient time ****