McCormick-Stillman Railroad Park - located in the heart of Scottsdale, is the most unique park of it's kind in the country. Take a ride on the Paradise and Pacific Railroad and antique carousel. Visit a variety of shops and museum or play in one of the spacious playgrounds, or just relax in the grass under a tree or in one of the park's picnic ramadas.
Wikipedia: "Arizona is located in the Southwestern United States as one of the Four Corners states. Arizona is the sixth largest state in area, after New Mexico and before Nevada." http://www.realtyazcentral.com/