Mystery Spot 48 is a named feature in one of America’s 397 national parks. See if you can identify it using the clues provided below. To answer correctly you must identify the specific physical or cultural feature and the name of the national park in which it is located.

Traveler readers answering correctly will be eligible for our monthly prize drawing and a chance to win a signed copy of Stephen R. Brown's beautiful photo book, the Jewel of the Mall: The World War II Memorial.

Here are all the clues you should need to identify this mystery spot:

Greenhead mallards waddle and quack
And look just fine on my roasting rack.

I had to run my yacht ashore to keep it from sinking.
They warned me about that storm; oh, what was I thinking?!

The answer and a list of readers submitting correct answers will be posted in tomorrow's Traveler.

No cheating!

If we catch you Googling or engaged in other sneakery, we will make you write on the whiteboard 100 times: “The total weight of all the termites on earth exceeds the weight of the human population.”