While they can grow to unique heights, one cactus holds the world record for being the tallest ever recorded. Here's what to know about the tallest saguaro on record, how tall they usually grow ...

Around age 50, the cactus starts growing arms, which also flower. The saguaro’s pleated trunk won’t accommodate a woodpecker cavity until it’s about eight feet tall, or 80 to 120 years old ...

The saguaro cactus towered over the hilltop outside Tucson like a massive hand rising out of the earth. Generations of hikers posed for pictures at the base of the hulking, treelike plant, whose ...

For around 200 years, a special saguaro cactus stood tall in the Arizona desert. Its longest arms stretched almost 30 feet into the air. And now that desert giant has fallen. Its trunks have ...

In the Sonora Desert in Arizona, the saguaro cacti grow tall and live long. One cactus known to locals as "Strong-Arm" stood more than 40 feet high and had 34 arms. Strong-Arm lived an estimated ...

Scientists have been monitoring these tall cacti since the 1960s—but recent counts suggest populations maybe decreasing. Credit: Saguaro National Park/Flickr One of the most iconic symbols of the ...