Senior trips: Monday, July 28, tour Franciscan Monastery, $11; Wednesday, July 30, National Geographic Museum, D.C., $14; Thursday, July 31, Harrisburg (Pa.) Capitol, Civil War Museum, $18; Saturday, Aug. 2, Shenandoah Summer Music Theater, Winchester, $41.Call Arlington County 55+ Travel, 703-228-4748. Registration required.
Register for Northern Virginia Senior Olympics, 50 events, $12. Details, 703-228-4721.
Following a gluten-free diet, Monday, July 28, 1:30 p.m., Lee. Free. Register, 703-228-0555.
Line dancing for beginners, Mondays, 11 a.m., TJ. Free. Register, 703-228-4403.
How to achieve retirement goals, Tuesday, July 29, 6:30 p.m., Walter Reed. Free. Register, 703-228-0955.
Table tennis, Tuesdays and Thursdays, 10 a.m., Walter Reed. Free. Register, 703-228-0955.
Low impact aerobics, Tuesdays and Thursdays, 11 a.m., Aurora Hills. $60/15 sessions. Details, 703-228-5722.
Arlington Mill Trail Trekkers, Tuesdays, 9:30 a.m. Free. Register, 703-228-7369.
RSVP volunteer network explained, Wednesday, July 30, 6:30 p.m., Arlington Mill. Free. Register, 703-228-7369.
Duplicate bridge, Wednesdays, 10 a.m. -10 p.m., Aurora Hills. Cost $5. Register, 703-228-5722.
Germany travels with Dee Bivens, Thursday, July 31, 1 p.m., Culpepper Garden. Free. Register, 703-228-4403.
Scrabble, Thursdays, 1 p.m., Culpepper Garden. Free. Details, 703-228-4403.
Travels on the Old Silk Road, China, Thursday, July 31, 1 p.m., Walter Reed. Free. Register, 703-228-0955.
Comedy Club, Friday, Aug. 1, 10:30 a.m., Aurora Hills, Relive old time radio and TV classics. Free. Register, 703-228-5722.
Ballroom Dance, Friday, Aug. 1, 1 p.m., Lee. Free. Register, 703-228-0555.
Asking medical questions, Friday, Aug. 1, 1:30p.m., Aurora Hills. Free. Register, 703-228-5722.
Arabic conversation group, Fridays, 9 a.m., Walter Reed. Free. Register, 703-228-0955.
Fast-paced walking group, Fridays, 8 a.m., Aurora Hills. Free. Register, 703-228-5722.