![](https://www.inmaricopa.com/wp-content/uploads/2025/01/sonoran-desert-national-monument_26699738355_o-1024x682.jpg)
This national monument may be Maricopa’s biggest secret — literally
It’s one of Maricopa’s best-kept secrets, even if it’s a massive half-million acres with three federally protected desert wilderness areas. Sonoran Desert National Monument is a huge but lesser-known attraction in the 85139 ZIP code, with 26 miles of …