Mystery Photo 49 shows an interesting geologic feature in a national park.  If you can tell us what this natural feature is and name the National Park System unit in which it is located, you will be eligible for our monthly prize drawing. 

No Cheating!  If we catch you engaged in sneakery we will make you write on the whiteboard 100 times:

Although most people will tell you that "April showers bring May flowers," some will say that "Although rain in April is annoying, it starts the flowers growing."  Both versions of this simple rhyme (which apparently originated as a mid-16th century poem) illustrate the concept of patience.  However, there is no attendant implication of delayed gratification, since no present reward is contrasted with one that is greater, but later.