The term 'Heartland of America Park City' is a reference to Omaha, Nebraska, which is a city located in the Midwestern United States. Omaha is known as the 'Gateway to the West' and is the largest city in Nebraska. It is also home to the world-famous Henry Doorly Zoo and Aquarium, as well as the College World Series. Omaha is a vibrant city with a rich cultural history, and it is often referred to as the 'Heartland of America Park City.'