Scale: On2 & On3 The Rapid Canyon Line is loosely inspired by a short line that ran from Rapid City, South Dakota through Dark Canyon to Mystic, South Dakota. A mixture of passengers and freight were commonly seen winding through the canyon on what was notoriously coined 'the crookedest line in the world'. Much of the original right-of-way is now Highway 44 heading west … [Read more...] about Rapid Canyon Line


