From Caleb, we have this link to a list of The 100 Funniest Jokes of All Time.
My favorite you ask?
A Jewish grandmother is watching her grandchild playing on the beach when a huge wave comes and takes him out to sea. She pleads, “please God, save my only grandson. I beg of you, bring him back.” And a big wave comes and washes the boy back onto the beach, good as new. She looks up to heaven and says: “He had a hat!” (Myron Cohen)