Dusk can be one of the most beautiful times in the desert, as shown by Times reader “Alan66.” In this picture, the photographer captures two types of cactus silhouetted against the sunset in ...

Saguaros are the largest cactus in the U.S. They can grow up to 60 feet tall and weigh thousands of pounds, according to the Arizona-Sonora Desert Museum. They can also live to be 200 years old.

The Crested Saguaro Society began searching the approximately 100,000-square-mile desert for crested saguaros — the largest cactus in the US, which often grows over 40 feet tall and is adorned ...