Our Vacation In New Hampshire Road Trip will be making a stop at the Cog Railway. This is the 155th season of the Cog Railway, taking trips up the side of the old “Rock Pile” at Mount Washington. If you haven’t experienced the one-of-a-kind trip on the World’s First Mountain Climbing Cog Railway, HERE in New Hampshire, make your plans NOW to visit. Check TheCog.Com for more information. Vacation In New Hampshire will be at the Mount Washington COG Railway, Monday 10A to 1P to tell you all about it.