Good Riddles

Question: Jack is taking a tour through a museum's American Presidents exhibit. The person leading the tour tells him "We have a picture of each presidency. Currently Barack Obama is the 43rd person to hold the office." But Jack quickly realizes that there are 44 pictures on the wall. But while walking through the exhibit he realizes why this is.

Why is there one too many photos?

Question: If a man carried my burden, he'd break his back.
I am not rich, but I always leave silver in my track.

What am I?

Question: What do these things all have in common: Laughter, living well, and a good offense?

Question: What is the Capitol of Las Vegas

Question: Two penguins are in a canoe, in the middle of the dessert, with paddles. They are rowing when the first penguin turns to the 2nd penguin & asks WHERE IS your paddle? The 2nd penguin responds, "yup sure does". Why did the 2nd penguin respond this way?