I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty. What am I?

Answer: I am a skull.

More Tricky Riddles with answers

More Tricky Riddles

I have a little house in which I live all alone. It has no doors or windows, and if I want to go out I must break through the wall. What am I?
I have legs but walk not, a strong back but work not. Two good arms but reach not. A seat but sit and tarry not.
I have many feathers to help me fly. I have a body and head, but I'm not alive. It is your strength which determines how far I go. You can hold me in your hand, but I'm never thrown. What am I?
I have three USA coins. They are not a quarter, dime or penny and they add up to 60 cents. What are the coins?
I have two coins, one is marked George I and one is marked George IV. One is genuine but one is a forgery. Which is the forgery?
I know a word of letters three. Add two, and fewer there will be! What Word Am I?
I know a word of letters three. Add two, and fewer there will be. What is it?
I know what my job is, The point has been made. You say I have a big head, And you're right, I'm afraid. Put me in my place, And then leave me alone. What I need most, Is someone to drive me home. What am I?
I like indigo but not blue, I like onions but not turnips, I like forms but not shapes. According to the same rule, do I like tomatoes or avocados?
I look at you, you look at me, I raise my right, you raise your left. What am I?
I love to dance and twist and prance, I shake my tail, as away I sail, wingless I fly into the sky. What am I?
I run around the city, but I never move.