The Scottsdale Museum of Contemporary Art is free all day on Thursdays and on Friday and Saturday after 5:00 pm.
They are open on all of those days from noon to 9 pm.
Admission is normally $7 for adults and $5 for students. 15 and under are free.
Go here to see what exhibits they currently have and for directions.
They are located at 7374 E. Second Street in Scottsdale.