“The BIG Show” and “Of Land And Sea” are new exhibitions at the Rockaway Center for the Arts (RoCA). Opening on Saturday, April 21, both of these exciting gallery entries promise a wealth of unique images as artists of all kinds invite the viewer into a world of imagination and talent. Then on Sunday, April 22, these fine exhibitions provide the showcase and backdrop for dozens of writers and publishing professionals as well as spoken word and musical performers as RoCA celebrates the first-ever Rockaway Music and Arts Council Literary Festival from 10 a.m. to 5 p.m. RoCA is located in Fort Tilden. Gallery hours are Saturday noon to 4 p.m., Sunday 1-4 p.m. and by appointment. For information, call 718-474-0861, e-mail rockart116@aol.com or visit www.rockawayartistsalliance.org.