The Mount Washington Cog Railway is a historic railway located in New Hampshire, USA. It was established in 1869 and is known for being the first cog railway in the world. The railway climbs Mount Washington, the highest peak in the northeastern United States, offering stunning views of the surrounding landscape. The train operates on a steep grade, using a cogwheel system to help it ascend the mountain. Passengers can enjoy a scenic ride that lasts about 45 minutes, reaching an elevation of 6,288 feet. The railway is a popular attraction for tourists and outdoor enthusiasts visiting the White Mountains.