The "Volunteer Mystery Plant" is Bearing Fruit

Mystery solved...it's a pumpkin. A volunteer mystery plant showed up in my front yard, and although I did plant a pumpkin plant, it wasn't this one and not in this location. This plant had spectacular blooms, you can see one here.

Volunteer "Mystery" Plant

This blossom was at least 6 inches across, and it's the blossom of a......well, I don't know because I didn't plant this plant. It just showed up tucked among some lilies in my front yard. It appears to be a type of squash plant. I'm looking forward to finding out. I expect some type of fruit on it by September.