Saguaro cactuses are Arizona's towering icons. However, only one holds the record for being the tallest ever measured. Here's ...

Across the Arizona-Sonora Desert Museum's 98 acres, you'll find 230 animal species – including hummingbirds, coyotes and string rays – along with 1,200 local plant species. Next to the ...

Mature saguaros can weigh 3,200 to 4,800 pounds when fully hydrated, according to the Arizona-Sonora Desert Museum in Tucson. Over decades, saguaros can grow to 50 feet or more. There is a ...