The Durbin Rocket is one of the rarest steam locomotives in existence. Old #3 is one of only three operating Climax geared logging Climaxs on earth. This 55-ton antique was built in 1910 for the Moore-Keppel Lumber Co. in Randolph County, West Virginia. Today she takes tourists along the Greenbrier River in Northern Pocahontas County. Sepia version.