What are some of the most scenic train routes in the US?

Travelling by train is a unique and scenic way to explore the United States, and there are many routes that offer stunning views of the country's natural beauty. Here are some of the most scenic train routes in the US:

• California Zephyr: Running between Chicago and San Francisco, this train route takes you through the Rocky Mountains, across the Colorado River, and through the Sierra Nevada mountain range. You'll also pass through the Great Plains and cross the Mississippi River.
• Coast Starlight: This train route runs along the West Coast from Seattle to Los Angeles. You'll get views of the Pacific Ocean, the Cascade Range, and the Sierra Nevada mountain range.
• Empire Builder: Running from Chicago to Seattle or Portland, this train route takes you through Glacier National Park, the Cascade Range, and the Columbia River Gorge.
• Southwest Chief: This route runs from Chicago to Los Angeles, passing through the Grand Canyon, the deserts of Arizona and New Mexico, and the Sangre de Cristo Mountains in Colorado.

Other scenic train routes in the US include the Grand Canyon Railway, the Durango & Silverton Narrow Gauge Railroad, and the White Pass & Yukon Route Railroad.