Between crested cactuses and the "four-arm flexing" cactus, Arizona's native flora can take some unusual shapes. Tucson even has the kissing cactus, which looks like a couple embracing.

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

Arizona's iconic Saguaro cactus is dying off at an intense rate with the Desert Botanical Garden saying nearly 20% of their ...