Arizonans aren’t kidding when they say they take their cactus seriously. Arizona is the only state in the U.S. that protects its cactus both in a national park (Saguaro National Park) and a national ...

TUCSON, Ariz. (KVOA) — Organ pipe National monument has amazing looking cacti that are similar to the classic Saguaro but unique. These are disappearing and a big reason why is because of those ...

There are so many places to visit after sunset in Arizona, but if you ask me, none sparkle more than Organ Pipe Cactus National Monument at night. Nestled in the Sonoran Desert, in Ajo near the ...

ORGAN PIPE CACTUS NATIONAL MONUMENT, Ariz. -- On a hot desert morning last week, a group of 20 tourists gathered in the visitor center in Arizona's Organ Pipe Cactus National Monument to attend a ...

A visit to Organ Pipe Cactus National Monument, on the U.S.-Mexico border about two hours from Phoenix or Tucson, requires some effort. The payoff, in addition to seeing unusual cactuses, is the ...

A crew surveying plants at Saguaro National Park west of Tucson has made a "shocking" discovery: a mature organ-pipe cactus growing among the saguaros. "It was a very exciting find - very unexpected," ...

The “most dangerous national park” has been largely closed to the public for the last 11 years. Organ Pipe Cactus National Monument, on the southern Arizona border, once saw a steady flow of ...

Way down at the bottom of the country, very near the Arizona border with Mexico, lies Organ Pipe Cactus National Monument. The divide in the rugged Ajo Range delineates the eastern boundary of the ...

A small, little-known cactus found in Organ Pipe National Monument west of Tucson faces a "high and immediate" threat of extinction, says the U.S. Fish and Wildlife Service in proposing to protect it ...

The organ pipe cactus (Stenocereus thurberi) is one of the more spectacular species of cactus found in the Sonoran Desert. It is only found naturally in the northern region of Sinaloa, the western ...