UPDATE: Event is SOLD OUT - Make Friday Night a Star Night

Wed · Oct 28·6:30 PM – 8 PM·Observatory Park at Turner Farm, 925 Springvale Road, Great Falls, VA 22066

Explore astronomy basics with a classroom discussion and telescope viewing at the Roll‑Top Observatory in Observatory Park at Turner Farm, for ages 8 and up.

Wed · Oct 28·1 PM – 3 PM·Great Falls Library

Walk-In Tech Clinic (Great Falls Library) — Library tech volunteer assists with device issues, 30‑minute slots, bring device and passwords, for ages 18 and up.

Wed · Oct 28·Cascades Library · Sterling

Kids submit favorite snack, dinner, or dessert recipes to a community cookbook at Cascades Library, using template cards from the children's book display, for ages 10 and under.

Wed · Oct 28·7 AM – 7:40 AM·Hunters Woods Plaza, 2310 Colts Neck Rd, Reston

Morning Tai Chi class at Hunters Woods Plaza, led by Hunters Woods Fellowship House residents, free drop‑in session, moves indoors during inclement weather, for all ages.

Mon · Oct 26·7:30 PM – 9 PM·Observatory Park at Turner Farm, 925 Springvale Road, Great Falls, VA 22066

Explore meteorites, including moon and Mars samples, in the Roll‑Top Observatory classroom, then view the sky through telescopes, weather permitting — ages 8 and up.

Wed · Nov 4·6:30 PM – 8 PM·Observatory Park at Turner Farm, 925 Springvale Road, Great Falls, VA 22066

Tour the planets and moons visible in the night sky, then explore through telescopes at the Roll‑Top Observatory, weather permitting, ages 6 and up.

Sat · Nov 7·2 PM – 3 PM·Dolley Madison Library — Dolley Madison Meeting Room 1, Dolley Madison Meeting Room 2 · McLean

Explore light pollution effects on stars, circadian rhythms, birds, bats, insects, then learn solutions and check out a Dark Skies Light Pollution Monitoring Kit, ages 13 and up.

Fri · Oct 23·4 PM – 9 PM·Oakmont Rec Center Location, 3200 Jermantown Rd, Oakton, VA 22124

Haunted Mini Golf at Oakmont Rec Center offers trick‑or‑treat prizes at every hole, food trucks, popcorn and games; $15 online, $18 door, all ages.

Fri · Oct 23·5 PM – 8 PM·Frying Pan Farm Park Location, 2709 West Ox Road, Herndon, VA 20171

Trick-or-treat on the farm with farm animals, crafts, games, and a decorated farmhouse tour, in one‑hour slots at Frying Pan Farm Park, for ages 2 and up.

Fri · Oct 23·6:30 PM – 8 PM·Hidden Pond Nature Center Location, 8511 Greeley Blvd., Springfield, VA 22152

Evening campfire at Hidden Pond Nature Center features nature walks, interactive activities, animal presentations and s’mores, all ages.