Polar Express Adventure Package at Cumberland Falls SRP – Cumberland Falls SRP, 7351 Hwy 90, Corbin, KY. Cumberland Falls SRP is offering Polar Express* Adventure Packages including lodging, dinner and Polar Express train tickets at the Big South Fork Scenic Railway (BSFSR). Call 606-523-6387 or 606-528-4121 for package info and reservations.*For additional BSFSR Polar Express info call 606-376-5330.