The saguaro cactus is the largest cactus found in the United States and can grow as tall as 40 to 60 feet (12 to 18 meters) and live up to 200 years.

- Image ID: E4GBAP

The saguaro cactus is the largest cactus found in the United States and can grow as tall as 40 to 60 feet (12 to 18 meters) and live up to 200 years.

Michele and Tom Grimm / Alamy Stock Photo

Image ID: E4GBAP

Location: Sonoran Desert in southwestern Arizona, USA