Want to enjoy lonely

Hi! Everyone,I want to make a plan to niagara falls trips from new york and also want to enjoy there lonely just because I really need to be relaxed. Therefore at this time, I want to enjoy this tour lonely. Can you tell me about the best natural places for having mental relaxation? I am so keen to be there and reaxed. I think sometimes it is good to have some time with ourselves and to have refreshments for the body and the soul.