White sand beach and turquoise waters in front of Fort Jefferson, Dry Tortugas National Park, Florida Keys, Florida, United States of America, North America

travel destination photography horizontal colour image sand beach turquoise water fort jefferson dry tortugas national park florida keys florida united states of america north america day building exterior architecture outdoors fortress fortification 19th century old history the past sky sea blue local landmark large group of people men women full length standing girls boys tourist tourism side view national park american culture vacation usa us united states american north american colour color image color outside travel destinations travel architectural group historical historic heritage cultural culture typically american traditional culture tradition traditional traditionally american vacations holiday holidays tourists holiday maker holiday makers on holiday child children kid kids