MASON NECK REPTILES PROGRAM, information on reptiles and amphibians that live in the park; animals shown. 3 p.m. Saturdays in June, Mason Neck State Park, picnic area, 7301 High Point Rd., Lorton. Free. 703-339-2385.
FATHER'S DAY DANCE, for girls 4 and older and their fathers, grandfathers or older brothers; with dancing, games, prizes and food. 6-9 p.m., Old Town Hall, 3999 University Dr., Fairfax City. $30 per couple; each additional guest, $5. 703-385-7858.
"THE DREAM OF AMERICA " CONCERT, Fairfax Symphony Orchestra performs "Ellis Island: The Dream of America," 8 p.m.; composer Peter Boyer gives a pre-concert lecture, 7 p.m., George Mason University, Center for the Arts Concert Hall, 4400 University Dr., Fairfax. $15-$45. Tickets, 888-945-2468; information, 703-993-8888 or http://www.tickets.com.
ANTIQUE CAR SHOW, more than 400 antique and classic cars, plus a flea market with more than 100 vendors. Musical entertainment by Jumpin' Jupiter and the Fairfax Symphony Dixieland Band, and a historic house tour. 10 a.m.-3:30 p.m., Sully Historic Site, 3650 Historic Sully Way, Chantilly. $9; seniors, $8; children, $6. 703-437-1794.
"FATHER'S DAY WITH THE FOUNDING FATHER,""George Washington" greets visitors and poses for pictures. He will discuss his role as a husband, stepfather and first president of the United States, 11 a.m., 1 p.m. and 3 p.m. 10 a.m.-4 p.m., Mount Vernon, 3200 Mount Vernon Memorial Hwy., Alexandria. $13; ages 6-11, $6; 5 and younger and active duty and retired military personnel, free. 703-780-2000 or http://www.mountvernon.org.
MASON NECK BIRD SAFARI, walk with a park ranger to find the birds that stay at the park during summer. 11 a.m.-12:30 p.m. Sundays in June, Mason Neck State Park, meet at the Bay View Trailhead, 7301 High Point Rd., Lorton. Free. 703-339-2385.
MODEL TRAIN DISPLAY, the Northern Virginia NTRAK club operates N-scale trains. Optional to bring food for a picnic on the lawn to celebrate Father's Day. 1-4 p.m., Fairfax Station Railroad Museum, 11200 Fairfax Station Rd. $2; children, $1. 703-425-9225.
WASHINGTON REVELS FESTIVAL DAY, celebrate the summer solstice with the Washington Revels, including traditional songs, a mummer's play, dancing, making props and playing folk instruments. 1-6:30 p.m., Fort Hunt Park, Fort Hunt Road at the George Washington Parkway, Alexandria area. Free. 202-723-7528 or http://www.revelsdc.org.
FALLS CHURCH ACCORDION CONCERT, by Washington Metropolitan Accordion Society members. 4 p.m., Sleepy Hollow United Methodist Church, 3435 Sleepy Hollow Rd., Falls Church. Free. 703-671-5395 or http://www.washingtonaccordions.org.
VIENNA OUTDOOR A CAPPELLA CONCERT, by the Skyline Vocal Band, bring a lawn chair or a blanket. 6:30 p.m., Vienna Town Green, 144 Maple Ave. E. Free. 703-255-6360.
SPRINGFIELD BINGO, for age 12 and older, no smoking permitted, youths 12-17 must be accompanied by an adult. 7 p.m. Sundays and Tuesdays, the Greater Springfield Volunteer Fire Department, 7011 Backlick Rd. $1-$35. 703-569-9828.
FAIRFAX CITYKIDS PERFORMANCE, by the Peter McCory one-man band. 10:30 a.m., Old Town Hall, 3999 University Dr., Fairfax City. Free. 703-352-2787.
BURKE/FAIRFAX MOTHERS FIRST MEETING, a support group for women who have left careers to raise their children. 10 a.m., Kings Park Library, 9000 Burke Lake Rd., Burke. $28 annual membership fee. 703-827-5922 or http://www.mothersfirst.org.
VIENNA/MCLEAN MOTHERS FIRST MEETING, a support group for women who have left careers to raise their children. 10:15 a.m., Patrick Henry Library, 101 Maple Ave. E., Vienna. $28 annual membership fee. 703-827-5922 or http://www.mothersfirst.org.
RESTON OUTDOOR CHILDREN'S SHOW, by the Peter McCory one-man band. 11-11:30 a.m., Lake Anne Plaza, 1609-A Washington Plaza, Reston. Free. 703-620-5554.
DIGITAL GENEALOGY RESEARCH, Ed Redmond of the Library of Congress's cartographic collections discusses "Digital Reference, Digital Resources and Digital Maps at the Library of Congress," a meeting of the Mount Vernon Genealogical Society. 1 p.m., Hollin Hall Senior Center, 1500 Shenandoah Rd., Fort Hunt area. Free. 703-360-0920 or http://www.mvgenealogy.org.
VIENNA TOWN COUNCIL MEETING,8 p.m., Vienna Town Hall, Council Chambers, 127 Center St. S. 703-255-6303.
GRADUATE SCHOOL INFORMATION, for prospective students to explore opportunities in certificate, master's and doctorate programs available in Northern Virginia. 6-8 p.m., Northern Virginia Center-Virginia Tech, 7054 Haycock Rd., Falls Church. Free. 703-538-8327.
"SHREK 3" OUTDOOR SCREENING, bring a blanket or low beach chair. Popcorn, hot dogs and other treats sold, 8:30 p.m.; field opens, 6:30 p.m., Van Dyck Park, 3730 Old Lee Hwy., Fairfax City. Free. 703-352-2787.
FAIRFAX SYMPHONY DIXIELAND BAND, concert. 7-8 p.m., Green Spring Gardens Park, 4603 Green Spring Rd., Alexandria area. Free, registration required. 703-642-5173.