in chicago, he began expanding and renovating the cubs' stadium, which would become wrigley field. arizona, he decided to build a winter cottage for his wife as an anniversary present. between 1929 and 1931, the wrigley mansion was constructed on a mountain overlooking the city of phoenix. >> the wrigley mansion is just a rare, unique beauty here in the phoenix valley. >> now tourists and locals alike come here for tours, meals and private events. ben sinon is now the mansion's general manager. >> and you show your guests -- very few homes in the area have been around quite as long. and very few homes have as much to see. >> this little winter cottage was the smallest of their five homes, coming in at only 17,000 square feet. i guess a lot of people were buying chewing gum at that time. >> as winter would set in in chicago, the wrigleys would travel out this way, spend about 6 weeks a year here. >> it was only meant as a stopping point for the wrigleys to spend a few weeks a year as they traveled between chicago and catalina island. so the home didn't need much -- only 24 bedrooms,