Riddle: Duels of good and evil, A fighter of good am I, Revealed beside watched words, King of the black night sky. What am I?
Answer: The dark.
Riddle: I am large as a castle, yet lighter than air. 100 men and their horses cannot move me. What am I?
Answer: The castle's shadow.
Riddle: I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat, and your heart grow cold, I visit the weak, but seldom the bold. What am I?
Answer: Your fears.
Classic Riddles
Riddle: You can't keep this until you have given it. What is it?
Answer: Your word.
Riddle: I only have two backbones and thousands of ribs. What am I?
Answer: A railroad.
Classic Riddles
Riddle: I like to roam but I'll always stay home, I leave a silver track, If you carried what I could carry with the way I moved, You'd break your neck and back. What am I?
Answer: A Snail.
Riddle: My tail is long, my coat is brown, I like the country, I like the town. I can live in a house or live in a shed, And I come out to play when you are in bed. What am I?
Answer: A Mouse.
Classic Riddles
Riddle: Scientists have proven that cats have more hair on one side than on the other side. Some people believe that this is because when cats lay on their sides they need insulation from the cold on the floor or ground. Which side of a cat has more hair?
Answer: The outside of the Cat of course!
Riddle: What dress does everyone have, but no one wears?
Answer: An address.
Riddle: A man moved into a new house and decided he was tired after the journey and turned off all the lights and went to bed. The next morning he killed 365 people, he does not sleep walk he slept like a baby.  How could this be?
Answer: He lived in a light house.
Riddle: Within, I clean all that is bad and old. I make juice that's the color of gold. Should I die, a filter machine would you need to assemble to replace me, and a bean I resemble... What am I?
Answer: A kidney.
Riddle: You can use me to say hello, And to say goodbye. I'm no good when I'm too dry, I can be quick or I can be slow. What am I?
Answer: A Kiss.
Riddle: It's been around for millions of years, but it's no more than a month old. What is it?
Answer: The moon.
Riddle: Everyone has me, Everyone needs me; When some people see me, They end up quite queasy. What am I?
Answer: I am Blood.
Riddle: What has six legs, two heads, four ears, and two hands, but walks on four feet?
Answer: A horse and rider.
Riddle: I am strongest when you see me as round, but I am often viewed in other forms. I lift and drop the sea with my tremendous strength, and a man with a name like 'powerful bicep' was the first to tread on me. What am I?
Answer: I am the moon.
Riddle: My tongue is long, my breath is strong, And yet I breed no strife; My voice you hear both far and near, And yet I have no life. What am I?
Answer: A bell.
Riddle: A plane crashed and every single person on board this flight was killed, yet, there were survivors. Explain how?
Answer: The married people lived; the singles died.
Riddle: Where is the AD before BC, tomorrow before yesterday, and the eight is first?
Answer: In a dictionary.
Riddle: Two bodies have I though both joined in one. The more still I stand the quicker I run. What am I?
Answer: I am an hourglass.