Discovered in 1969, the Vore Buffalo Jump in northeast Wyoming contains the bones of more than 20,000 bison that were herded into and slaughtered there by Plains Indians. The site also has tools used to butcher the bison, arrowheads and even toys. Anyone who’s driven Interstate 90 in northeast Wyoming to visit Devils Tower or the annual Sturgis Motorcycle Rally couldn’t miss the signs for the Vore Buffalo Jump. Most drive past, but likely not without thinking, “What the heck is a buffalo jump?” Put simply, it’s a big hole American Indians would herd buffalo into, then kill them in...