Blow your whistle for National Train Day

Amtrak's Adirondack train takes travelers through the scenic Hudson Valley to Montreal, daily from New York City. (Amtrak)

An Amtrak train on the Portland leg of the Empire Builder route. (Amtrak)

The Pacific Surfliner goes from San Luis Obispo and San Diego, along the Southern California coast. (Amtrak)

The Silver Meteor train from New York to Miami cuts through North Carolina, where in the Fall is a riot of colors.  (Amtrak)

An Amtrak train leaves Washington, D.C. (Amtrak)

The track between San Luis Obispo and Paso Robles in California winds its way around the foothills.. (Amtrak)

The Amtrak Southwest Chief takes passengers from Chicago to Los Angeles, daily and passes through Kansas City, Mo., Topeka, Albuquerque and Flagstaff, Ariz. (Amtrak)

An Amtrak train travels through California's High Sierras. (Amtrak)

Great Salt Lake, Utah is the back drop for Amtrak 163.  (Amtrak)

Amtrak 173 in West Kyune, Utah. (Amtrak)

Bannerman's Castle by the Hudson River in New York is just one attraction passengers can see on the way to New York City. (Amtrak)