Druid this and Druid that, odd formations seem to bring out the innate sense of mystery and spiritual associations.
If there is a weird rock form, the Native Americans seemed to put have put a sacred meaning to its location. The more recent white folk always seem to attach a Native bent on them, like the speculation of Druidry in your locale.
465 acres! Brimham maybe be larger than New Mexico's "City" and the Suburb's collection of hoodoos and mazes.
Very seriously precarious hoodoos ya got over there.
Jbee