Log In to your Facebook Account.
It will tell you to verify yourself by showing some pictures and you have to guess which picture belongs to whom.
Now when you see pictures below them you will also see Names of your friends which ask you to choose radio button.
Now what you do is Login to another account of your wife, sister, mother, father uncle or any one. and search for the name which you are seeing.
After searching your friend and visit his profile to see all photos.
If you find the photo you are looking for just go to your Facebook account and verify the photo and friend.
The other way to search in Google. It will be little hard but working.