mountain railroad Directory References Discover 9 Memorials and Monuments in the United States Is Cinco de Mayo Mexico's Independence Day? Timeline of the 2000s Who Invented the Internet? What Is the Emoluments Clause? Falling Stars: 10 of the Most Famous Endangered Species How Deadly Is Quicksand? Contents mountain railroad Ask Our Chatbot a Question Ask Our Chatbot a Question Learn about this topic in these articles:Semmering Railway In Semmering…Semmering Railway (1848–54), the first mountain railway in the world, passes 282 feet below the summit of the pass through a tunnel nearly one mile long. A second parallel tunnel was inaugurated in 1952. Read More
