El Yunque National Forest aka the Caribbean National Forest is the only tropical rain forest in the United States National Forest System. It is home to the highly endangered Puerto Rican Parrot, but actually finding them in the vast forest will be quite a challenge. First, you will need to get to El Yunque. I recommend hiring a car so you can get there as early as possible. If you are staying in San Juan at one of the hotels on points, it will be about an hour’s drive, 58 km.