I like riddles. Here are some interesting ones. You can find loads of them HERE.
I'm where yesterday follows today, and tomorrow's in the middle. What am I?
Answer
From the beginning of eternity
To the end of time and space
To the beginning of every end
And the end of every place.
What am I?
Answer
You use a knife to slice my head and weep beside me when I am dead. What am I?
Answer
I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?
Answer
What goes around the world but stays in a corner?
Answer
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
Answer
How many did you get?