Arizona's saguaro cactus has evolved to thrive in the extreme climate of the Sonoran Desert, but after decades of rising heat, even these towering icons are showing signs of stress.

Wondering whether to visit Saguaro National Park in winter? We’ve got you covered as we discuss the weather, what you should do on a visit, camping, and more!

Let's ponder how the Pink Hill Trail got its name. Hmm. Hmm. OK, enough pondering. We bet you've cracked the code. The trail at Saguaro National Park East is so named because it passes over a hill ...

Even the iconic saguaro cactus, known as the Sentinel of the Southwest, is struggling with Arizona’s record-breaking heatwave. Cities like Phoenix have endured nearly a month straight of ...

See 'sunset wars' pictures of national parks' amazing skies To encourage a love of nature, two national parks started the internet’s most wholesome war.

For the first time ever documented, a bald eagle nest was found in a saguaro cactus, according to Arizona Game and Fish. Biologists tried to find a bald eagle nesting in a cactus for 18 years.