Castro Valley may have plenty of drive-thrus, but have you ever gone through a drive-up?
Where can you find this sign and what exactly can you "drive-up" to?
Post your guesses in the comments section below.
Find out what's happening in Castro Valleyfor free with the latest updates from Patch.
Unfortunately, none of our readers were able to guess . The pair of parrots can be found at .
We want to send out a "thank you" to reader David Ross for providing us with this week's picture.
Find out what's happening in Castro Valleyfor free with the latest updates from Patch.
Have your own photos around town that you'd like featured in our Castro Valley photo challenge? Send them to analisa.harangozo@patch.com and see if you can stump our readers!
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