I was in Arizona earlier this week and I visited Saguaro National Park. Here's a pic I took of a Saguaro in the park. It was rainy and overcast the day I was there.
I'm from Tucson. You picked the perfect time to come here. The Saguaros go nuts this time of year. I just wish I could get a closeup of a flower, but most of them are so tall it would take quite a ladder