Trivia: In 1868, the world’s first cog railway was built to traverse what?
A mountain
A glacier
A lake
A tunnel
The correct answer is A mountain
So why is this answer correct? : Cog railways, also called rack railways, were built to climb mountains using a unique toothed rack rail. The Mount Washington Cog Railway in New Hampshire was the first use of this technology. There are currently around 50 rack railways throughout the world. Mount Washington’s railway has been renovated and is still open and accepting passengers today. It takes about 70 minutes to travel the 3-mile track up the mountain with an elevation gain of 3,719 feet.