No cameras are allowed inside Blenheim Palace and after a week of having a fairly heavy camera around my neck all day, every day, I opted to leave my camera in the trunk of the car. And thus I didn't capture even a single picture of the OUTSIDE of Blenheim Palace. However, there was an awesome butterfly garden and I snapped a number of pictures of these beautiful creatures.

Go to Google Images for pictures of the palace - it's beautiful too!