Now that they have found Cubby, they set off to find Nibs. Nibs was always carving figurines out of rocks. Tink thought of the one spot in the United States where there is huge cut out into the rocks. They headed for South Dakota, where they found Nibs taking a picture of four very famous presidents. What monument are they at?

A) Mount Rushmore
B) Yellow Stone National Park
C) The Devils Tower