The Circle of Sacred Smoke Sculpture and Devil's Tower. The circle of sacred smoke sculpture honors the American people as a gesture of world peace by sculptor Junkyu Muto. The sculpture is designed to help raise visitor awareness of the importance of the tower to over twenty affiliated tribes. It is the third of seven works planned by the sculptor around the world. The first two are located at Vatican City and Bodhi, India. The sculpture represents the first puff of smoke from a newly lit pipe. The sculpture is accessible by road or by trail from the prairie dog town.