I believe this list was from 2014, so some of the places and things may not be there anymore.
CONNECTICUT, RHODE ISLAND, MASSACHUSETTS-- The Car-Free Ferry trip. Go from New London, Ct to Block island, RI, to Newport, Massachusetts--Nantucket.
DELAWARE-- Hidden Beach In-Between. A beach between Lewes and Dewey Beach.
FLORIDA-- A Gulf Oasis. St. Joseph Peninsula and Apalachicola. (Florida's Forgotten Coast."
GEORGIA-- Jeckyll Island for golf. Jeckyll Island Club Hotel built in the 1880s.
HAWAII-- Hike a volcano at sunrise on Maui.