What is both possible and impossible at the same time?

My location can be determined by the below rebus.
So where am i ?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Two old friends, Jack and Bill, meet after a long time.

Three kids
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.

How old are Bill's kids?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Using eight eights and addition only, can you make 1000?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Can you solve the photo plexer logic ?