Best Riddles and Answers

Question: What has rivers but no water, forest but no trees and cities but no people.

Question: What is tall and have 4 legs

Question: You're in a VERY dark room. You enter it, and immediately everything you see dissolves into darkness... But suddenly, you see the faintest red light. You COMPLETELY close and cover an eye, but You can still see the red light. How is this possible?

Question: What exponents other than the same two numbers with the numbers one thru ten can be flipped and have the same answer?

Question: If 1+1=2, 2+2=8, 3+3=18. What does 4+4=?