John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?
What has many teeth, but cannot bite?
What part of the chicken has the most feathers?
A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?
Where do fish keep their money?
Name a key which is hardest to turn.
He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?
Outside a massage parlour, there is a board that reads "I only massage those who do not massage themselves." Reading the above statement, does the masseur massage himself?
Can you name an animal whose killing cannot be performed without spilling your own blood?
How is a fly different from a mosquito?
Why did the Girl throw the butter out of the window?
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.