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Steve, you should visit Sabino Canyon, You can take the trolly up the canyon and hike back down, It is the most beautiful place in the Tucson area, Cost is very affordable, I suggest going really early in the morning.
Pima air and space museum is another great place to go in Tucson,
Old Tucson is ok.... but it's not the same sense the Fire in the early 90's
as for Glendale I lived there for several years and the one thing to do was to get out, a nice drive is up to crown king for a nice cool day and some mining history or sedona for some beautiful scenery.