Histories Mysteries On the Trail of the Yellowstone A Billings Yellowstone River Park Auto Tour Discover 5 historic Yellowstone River Parks and one bonus location, while traveling in the Foot Steps of the Yellowstone Trail System. Join YHS Oct 20th, uncover true mysteries while discovering a historic homestead, an old town site, the first county school house location, a Wm Clark and Company river crossing, and much more! We will have historians on location from 10am to 2pm. Travel at your own pace - with your friends and family. YOU CAN RIDE YOUR BIKE! Check web site for details. There is opportunity for walking at all locations. Your ticket, available on-line YellowstoneHistoricalSociety.com or any 3G’s Convenience Store, will contain the exact locations. Saturday October 20st Historians on site 10am-2pm Only $20.00 per carload! Tickets available on line at YellowstoneHistoricalSociety.com From: Any 3G’s Convenience Store Like us on Facebook: Yellowstone Historical Society Our goal is to: Share and Preserve Reliable, Interesting, Valued History of the Area.