Arts and Crafts

"FLUTTER BY, BUTTERFLY,"1-3 p.m. Saturday, Sky Meadows State Park, 11012 Edmonds Lane, Delaplane. Look for butterflies with Mary Alexander and Steve Malone from the Washington Area Butterfly Club. Bring water and wear sturdy shoes for a two-mile hike. Parking, $4. 540-592-3556.

FULL MOON WALK,7-8:30 p.m. Saturday, Sky Meadows State Park, 11012 Edmonds Lane, Delaplane. Watch the full moon rise from the Piedmont Overlook. Listen for evening wildlife as you learn about the "Thunder Moon." Bring water and wear sturdy shoes for a 1.5-mile hike. Parking, $4. 540-592-3556.

Sports And Recreation

DROP-IN VOLLEYBALL, age 16 or older, 8-10 p.m. Tuesdays, Vint Hill Village Green Community Center, 4235 Aiken Dr., Warrenton. $5; ages 16 and 17, $2.50. 540-347-6894.

RUNNING, build stamina and make friends, 6:30 p.m. Tuesdays and Thursdays, Fauquier High School track, Warrenton. Optional Saturday morning runs. Free. 540-938-6509.

DROP-IN BASKETBALL, adults, 8-10 p.m. Thursdays, Marshall Community Center, 4133 Rectortown Rd., Marshall. Fauquier County residents, $4; nonresidents, $6. 540-364-3886.

DROP-IN BASKETBALL, age 35 or older, 6-10 p.m. Mondays, Vint Hill Village Green Community Center, 4235 Aiken Dr., Warrenton. Fauquier County residents, $5; nonresidents, $7.50. 540-347-6894.

HYDROFLEX, low-intensity strengthening and flexibility workout, 10-11 a.m. Mondays, Wednesdays and Fridays, FAST Aquatics Center, 6862 Johnson Dr., Warrenton. $6. 540-349-4858.

DEEP-WATER AEROBICS,9-10 a.m. and 7-8 p.m. Mondays, Wednesdays and Fridays; 10-11 a.m. Saturdays, FAST Aquatics Center, 6862 Johnson Dr., Warrenton. $6. 540-349-4858.

WALKING, sponsored by the Fauquier County Parks and Recreation Department. Get a walking log when you sign in at the Warrenton Community Center, 430 E. Shirley Ave., to track miles and earn rewards. Walk alone or with a group. Fauquier County residents, $8; nonresidents, $12. 540-347-6896.

Theater

FAUQUIER COMMUNITY THEATRE,"The Sound of Music," 8 p.m. tomorrow and Saturday and 2 p.m. Sunday, Fauquier Community Theatre, 4260 Sigler Dr., Warrenton. $16; seniors and students, $14. 540-349-8760 or http://www.fctstage.org.

Miscellaneous

EQUINE NUTRITION SEMINAR,7-9 p.m. today, Tri-County Feeds Etc.'s Conference Center, 7408 John Marshall Hwy., Marshall. Dan Shively discusses ways to fuel the equine athlete. Free, registration required. 540-364-1891.

THE CAPITOL STEPS,8 p.m. Saturday, Highland Center for the Arts, 597 Broadview Ave., Warrenton. Troupe of current and former congressional staffers who take a humorous look at events and personalities from around the world. $35. 540-878-2700 or http://www.highlandcenterforthearts.org. PIEDMONT ALTERNATIVE ENERGY EXPO,"It's Getting Easy Being Green," 9:30 a.m.-4:30 p.m. Saturday, Fauquier County Fair Grounds, 6209 Old Auburn Rd., Warrenton. Meet experts who convert conventional vehicles to electric power; build hurricane-resistant yet environmentally friendly buildings; and steward land for the betterment of the planet. Kid-friendly exhibits and hands-on activities. $5; children and students, free. 540-317-1449 or http://www.rlep.org.