With his extensive and quirky knowledge of the park, historian and Yellowstone researcher Scott Herring reveals Yellowstone secrets that are seldom or never found in books.  He uncovers hidden graves in the wilderness, ancient artifacts that challenge accepted history, spooky phenomena that defy explanation, and geysers with peculiar features that only a handful of people know.  These astonishing, outrageous, and sometimes creepy facts about Yellowstone span both natural and human history, and they are based on careful research, including conversations with park insiders.  This book exposes visitors to the hidden wonders and weird surprises that lurk behind the park's renowned scenery.