i am from boston and looking for a fun, cheap way to see, hike and enjoy the grand canyon. i will prob rent a car to make it easier...but am willing to use public transportation. i a, planning on coming in july as i am a teacher and that is vacation. i want to hike all over. i am going alone, so it needs to be safe too.
what are some must sees and what is the easiest way to get to everything.