An inverted pyramid might not seem like he most obvious architectural choice for an office building, but in Arizona's hot climate it has one advantage: the roof shades the windows below from direct sunlight! Below are two more views; the bottom photo is a telephoto view taken from the side of nearby Hayden Butte.
Directions: 31 East 5th Street (1 block east of Mill Avenue, 2 blocks north of University Drive).
Last visited: February 2009.
Standard disclaimer: Sites are described for entertainment purposes only, as they were at the time of my last visit. I can not vouch for the current condition of the site or its accessibility.