Since 1999, Union Station has become a renowned attraction in Kansas City, known for its assortment of restaurants and captivating activities like the Gottlieb Planetarium, Science City and City Theatre. And the Model Train Gallery. Located in Union Station at 30 West Pershing Road, at the far north end of Grand Plaza, it is open daily from 9 to 5 and can be accessed through the Grand Hall or the Amtrak passenger area. Admission is free. See the model train exhibit from tiny N-scale model trains to the big G-scale giants of the model train world. There are eight different train scales ranging from Z-gauge to the largest G-gauge. And the most amazing thing of all is more than 80 trains are running simultaneously. All day, every day. What does 8,000-square-feet of model trains look like? See for yourself.