What does the below rebus riddle means?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

John was so frustrated to be the suspect of being a sleeper terrorist that he shoot himself right between the eyes with a revolver in his toilet. The revolver and the bullets were accurate. Minutes later John walks out of the toilet unharmed.
How can this be possible?

Why did the Girl throw the butter out of the window?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

Replace the question mark with the number below given a simple math problem.

Can you count the number of lines in the below picture?

What does this simple rebus mean?