WHAT'S GOING ON THIS WEEKEND
Clark Art Institute: "In Collaboration with Helen Frankenthaler," lecture presented by Thomas Krens, as part of the Helen Frankenthaler weekend celebration, 2 p.m., 225 South St., Williamstown.
FAIRS, FESTIVALS AND FAMILY FUN
54th Annual Gem, Mineral and Fossil Show: Gems, minerals, rare fossils and hand-made jewelry, $4 admission, free for children, 10 a.m. to 4 p.m., American Legion, 91 American Legion Drive, North Adams.
Hancock Shaker Village: Country Fair featuring hot air balloon rides, chicken races, live music, demos and demonstrations, 10 a.m. to 3 p.m.
Hoosac Valley Train Rides: Rides leaving the station at 11 a.m., 1:30 and 3 p.m., $8-$12, 98 Crowley Ave., North Adams.
Lenox Apple Squeeze: Swale, 5 Gun Draw, Sierra Hull and The Steeldrivers perform, 11 a.m. to 5 p.m., 4 Housatonic St., Lenox.
Berkshire Museum: "School Life," $7.50, 7 p.m., 39 South St., Pittsfield.
Bard College at Simon's Rock: Walden Chamber Players perform Schubert, Lerdahl, Milhaud and Beethoven, $10 donation, 3 p.m., McConnell Theatre, 84 Alford Road, Great Barrington.
Dottie's Coffee Lounge: Domingo Brunch with PL Mack, 11 a.m. to 1 p.m., 444 North St., Pittsfield.
Down County Social Club: Sunday Night Show N' Tell live streaming open mic hosted by Kameleon Mike, 7 to 10 p.m., 864 South Undermountain Road, Sheffield.
The Lion's Den: The Adams Bros, 8 to 11 p.m., The Red Lion Inn, 30 Main St., Stockbridge.
South Mountain Concerts: The Dover String Quartet and Peter Serkin, 3 p.m., South Mountain Concert Hall, 730 South St., Pittsfield.
READINGS, WALKS AND TALKS
Bascom Lodge: "Revisit the Great American Eclipse" with Kevin Collins, free, 6 to 7 p.m., 3 Summit Road, Adams.
Hoffman Field Trips: Linear Park birding walk, 7:30 a.m., Linear Park, Thomas Street, Williamstown.
Housatonic Heritage: Free, guided hikes, walks and tours; "The Secrets of Muddy Pond and the Building of the First U.S. Railroad Mountain Crossing," 9:30 a.m. to noon, Summit Hill Road, Washington, register at 413-354-7752; Urban Mill Trail of Pittsfield in the 1800s, 9:30 to 11:30 a.m., Hancock Road, Pittsfield; An Interpretive Stroll on the Housatonic River Walk, 10 to 11 a.m., Du Bois River Garden Park, Church Street, Great Barrington; Learn of the Geologic History of the Berkshire Hills, 10 to 11:30 a.m., Bartholomew's Cobble, 105 Weatogue Road, Sheffield; Hike to the Source of the Umpachene River at the New Marlboro Preserve, 10 a.m. to noon, meet at the parking lot just past the junction of Routes 183 and 57, New Marlborough, register at 413-229-8633; Guided tour of the Colonel Ashley House, 11:30 a.m. to 12:30 p.m., 117 Cooper Hill Road, Ashley Falls; "Chesterwood, An Artist's Landscape," 1 to 2 p.m., Barn Gallery, Williamsville Road, Stockbridge, register at 413-298-3579 ext. 2021; "In the Footsteps of Thoreau, Melville and Hawthorne," 2 to 4 p.m., intersection of Hawthorne Road and Hawthorne Street; The Gardens and Landscape of The Mount, does not include interior house tour, 3 to 4:30 p.m., 2 Plunkett St., Lenox.
The Mount: Backstairs Tour, $23, 10:30 a.m., 2 Plunkett St., Lenox.
William Cullen Bryant Homestead: Rivulet Forest and Mushroom Walk with David Babik, $5-$10 donation suggested, 12:30 to 2:30 p.m.; House tours, $10, hourly 1-3 p.m., 207 Bryant St., Cummington.
Barrington Stage Company: "Kunstler," 3 p.m., St. Germain Stage, 36 Linden St., Pittsfield.
Shakespeare & Company: "God of Carnage," 3 p.m., Elayne P. Bernstein Theatre, 70 Kemble St., Lenox.
The Theater Barn: "Lucky Me," 2 p.m., 654 Route 20, New Lebanon, N.Y.
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