The Phoenix Mountain Stadium is a sports complex located in Phoenix, Arizona. It was built to serve as the home stadium for the Arizona Diamondbacks baseball team and has been used for various other events such as concerts, basketball games, and track meets.

The stadium's main feature is its retractable roof, which can be opened or closed to provide shelter from the elements during inclement weather. The roof also helps to regulate temperature inside the stadium, making it more comfortable for fans.

In addition to its sporting functions, the stadium has hosted several concerts and events throughout its history. Some notable performances include the Rolling Stones, Pink Floyd, and Bruce Springsteen.

One of the most significant features of the stadium is its seating capacity. With a total capacity of over 44,000 seats, it is one of the largest stadiums in the country. This makes it a popular venue for major sporting events and concerts.

Overall, the Phoenix Mountain Stadium is a valuable asset to the city of Phoenix and serves as a hub for both local and national events. Its retractable roof, seating capacity, and location make it a unique and attractive venue for any event that requires a large outdoor space.