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

The intense heat in recent Arizona summers is taking a toll on the smaller saguaro cactus. The survival of saguaro seedlings ...

Saguaro cactuses tower over Arizona's desert ... according to the Arizona-Sonora Desert Museum in Tucson. Over decades, saguaros can grow to 50 feet or more. There is a strong relationship ...