2 Anonymous In: Question-Answer Which U.S. state is home to the first mountain-climbing cog railway in the world? 2 Which U.S. state is home to the first mountain-climbing cog railway in the world? Vermont New Hampshire New York Massachusetts 1 Answer Voted Oldest Recent Random Best Answer Goto 2021-02-03T03:05:40+00:00Added an answer on February 3, 2021 at 3:05 am The correct answer is New Hampshire. 4 Reply Share Share Share on Facebook Share on Twitter Share on WhatsApp Leave an answerLeave an answerCancel reply Featured image Select file Browse Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment.