aerial at chatham, cape cod showing gray and harbor seals hauled out onto low tide flats

chatham cape cod beach atlantic ocean great shark aerial drone massachusetts england strong island climate change showing outer high view coast flat gone wildlife south shores summer harbor gray sandspit north inlet lighthouse stage center historic guard trail house low tide flats seashore empty sound old lifesaving dune light national road natural site shore hill main street eastham marsh inlets downtown wharf refuge pier bars inn resort monomoy archaeology