Opening 47th annual Mark Twain Library Art Show, Dec. 6-15, Mark Twain Library, 439 Redding Rd., West Redding. Preview reception: Dec. 6, 7-10 p.m. Info: marktwainlibrary.org\/fundraising\/art\/. Gift of Art Art Show: Opening Reception, Dec. 6, 4-6 p.m., Carriage Barn, Keeler Tavern Museum & History Center, 152 Main St., Ridgefield. Runs Dec. 7-14, noon-4 p.m. Free. Info: keelertavernmuseum.org. Glaser and the Grid, Dec. 7-Jan. 3, Greenwich Art Society Gallery, 299 Greenwich Ave., Greenwich. Artwork of Scott Glaser. Info: greenwichartsociety.org. Color in Motion, Dec. 7-Jan. 19, The Kershner Gallery in the Fairfield Public Library, 1080 Old Post Rd., Fairfield. Artwork of Guy Phillips and Matthew Samuels. Reception: Dec. 13, 6-8 p.m. Info: fairfieldpubliclibrary.org. Hat Madness, Dec. 8 through March 8, New Canaan Museum and Historical Society, 13 Oenoke Ridge, New Canaan. Opening reception Dec. 8, 1:30- 3 p.m. The exhibition explores the history of hats, hat making and design with over 65 hats from the museum\u2019s extensive clothing and textile collection. The exhibit is free to members and $5 for all others. Info: nchistory.org. Art Centers Carriage Barn Arts Center, 681 South Ave., New Canaan. Free Gallery Talk, Nov 7, 2 p.m. Preview the Center For Contemporary Printmaking\u2019s annual Monothon Exhibit & Sale. Deck the Halls through Dec. 14. Paintings by Christian Peltenburg-Brechneff, through Dec. 14. Artist\u2019s Reception: Dec. 5, 6:30-8:30 p.m.; Dec. 6 and 7, 9:30 a.m.-noon. Info: carriagebarn.org. HeART & Mind exhibition, through Jan. 12, Silvermine Arts Center, 1037 Silvermine Rd., New Canaan. Artists explore mental health issues while celebrating the resilience of the human spirit. Info: silvermineart.org\/exhibition\/heart-mind\/. Westport Arts Center, 51 Riverside Ave., Westport. Info: westportartscenter.org. Ridgefield Guild of Artists, 34 Halpin Ln., Ridgefield. Info: rgoa.org. Darien Arts Center, 2 Renshaw Rd., behind Town Hall in Darien. Info: darienarts.org or 203-655-8683. The Brookfield Craft Center, 286 Whisconier Rd., Brookfield. Info: brookfieldcraft.org. Rowayton Arts Center, 145 Rowayton Ave., Rowayton. Artwork by 83 area artists. Info: rowaytonarts.org. Museums Weather Report, through March 29, the Aldrich Contemporary Art Museum, 258 Main St., Ridgefield. There Must Be Some Way Out of Here, through May 17. Info: aldrichart.org. Chinese Brushwork, through Dec. 8, Bruce Museum, 1 Museum Dr., Greenwich. Display of 15 pieces of contemporary Chinese brushwork gifted to the Town of Greenwich. Collecting Reimagined: A 2D Curiosity Cabinet, Dec. 14-March 24, Bruce Museum\u2019s Bantle Lecture Gallery. Info: brucemuseum.org. The Discovery Museum, 4450 Park Ave., Bridgeport. Info: discoverymuseum.org or 203-372-3521. The Osborne Homestead Museum, 500 Hawthorne Ave., Derby. Guided tours of Frances Osborne Kellogg\u2019s estate and collection of antiques and fine art. Info: 203-734-2513. Housatonic Museum of Art, 900 Lafayette Blvd., Bridgeport, www2.housatonic.edu\/artmuseum, 203-332-5052. Stepping Stones Museum for Children, 303 West Ave., Norwalk. Info: steppingstonesmuseum.org or 203-899-0606. EverWonder Children\u2019s Museum, 31 Pecks Ln., Newtown. Info: everwondermuseum.org. Barnum Museum, 820 Main St., Bridgeport. Info: barnum-museum.org. Yale Center for British Art, 1080 Chapel St., New Haven. Info: britishart.yale.edu. Yale Peabody Museum of Natural History, 170 Whitney Ave., New Haven. Info: peabody.yale.edu or 203-432-5050. Yale Art Gallery, 1111 Chapel St., New Haven. Info: artgallery.yale.edu or 203-432-0600. The Glass House , 199 Elm St., New Canaan. Info: theglasshouse.org or 866-811-4111. Greenwich Historical Society, 47 Strickland Rd., Greenwich. Info:greenwichhistory.org. Lockwood-Mathews Mansion Museum, 299 West Ave., Norwalk. Info: lockwoodmathewsmansion.com. The Trained Eye: The Art of Railways and Stations exhibit, through -Jan. 5. Holiday Exhibit: Toys, Trains, and Magnificent Trees: Illuminating Christmas at the Mansion. The Lockwood-Mathews Mansion Museum, 295 West Ave., Norwalk. Holiday Open House, Dec. 8, noon-4 p.m. Ride a Vintage Train to Visit Santa Claus, Saturdays, 12:30-3 p.m.; Sundays, 12:30-3:30 p.m., Dec. 7-8, 14-15 and 21-22, Danbury Railway Museum, 120 White St., Danbury. Special night-time rides on Saturdays, 4:30-5 p.m. are being scheduled. Admission: $12. Info: danburyrailwaymuseum.org, 203-778-8337. Libraries Stratford Library, 2203 Main St., Stratford. Info: stratfordlibrary.org. Pequot Library, 720 Pequot Ave., Fairfield. Info: pequotlibrary.org, 203-259-0346, ext. 115. Wilton Library, 137 Old Ridgefield Rd., Wilton. A Harvest of Hues Art Exhibition, through Jan. 2. Info: wiltonlibrary.org. Art & Text exhibition, through Dec. 19, Ridgefield Library, 472 Main St., Ridgefield. Info: ridgefieldlibrary.org. Art & Text Exhibit, through Dec. 31, Norwalk Public Library, 1 Belden Ave., Norwalk. Art and poetry reception, Dec. 15, 2 p.m. Artists take a poem and create an original, visual representation of the poem in the medium of their choice. Info: 203-899-2780, ext. 15133, firstname.lastname@example.org. Darien Library, 1441 Post Rd., Darien. Info: dar.to\/2p9tGeK. New Canaan Library, 151 Main St., New Canaan. Info: newcanaanlibrary.org. 47th annual Mark Twain Library Art Show, Dec. 6-15, Mark Twain Library, 439 Redding Rd., West Redding. Preview reception: Dec. 6, 7-10 p.m. Info: marktwainlibrary.org\/fundraising\/art\/. Historical Westport Historical Society, 25 Avery Pl., Westport. Exhibit casts a lens on the social management of mental illness. Becoming Westport, on view through June 30, 2020. Info: westporthistory.org. The New Canaan Museum and Historical Society, 13 Oenoke Ridge, New Canaan. Northeast Waterscapes: Artists Explore Oceans, Rivers, Harbors features 62 paintings showing the drama, danger, beauty and power of water through Dec. 14. Hat Madness opens Dec. 8 with a reception from 1:30- 3 p.m. and will run through March 8. The exhibition explores the history of hats, hat making and design with over 65 hats from the Museum\u2019s extensive clothing and textile collection. The exhibit is free to members and $5 for all others. Hours vary so call the historical society to confirm. Info: nchistory.org. Great Trains Holiday show, through Jan. 20, Wilton Historical Society, 224 Danbury Rd., Wilton. Santa Visits Dec. 14. Cost: $5-$10. Just Like Grandma Used to Make: A Hands-on Experience of 300 Years of Kitchen History, Tuesday-Saturday, 10 a.m.-4 p.m., tours of the 1910 kitchen at the Betts House. Info: wiltonhistorical.org. Keeler Tavern Museum and History Center, 152 Main St., Ridgefield; 203-438-5485 or keelertavernmuseum.org. Keeler Tavern Museum & History Center Holiday Events: Christmas at the Tavern, Holiday Stroll, and Opening of \u201cGift of Art\u201d Holiday Art Show, Dec. 6; Christmas Luncheons and Holiday Boutique, Dec. 10-14, two seatings at 11:30 and 1:15, pre-paid reservations $30\/person (wine $5\/glass); Gift of Art Holiday Art Show in the Carriage Barn, Dec. 7-14; All Aboard! The Polar Express Family Program, Dec. 19-20. Keeler Tavern Museum & History Center, 152 Main St., Ridgefield. Norwalk Historical Society Museum, 141 East Ave., Norwalk. Info: norwalkhistoricalsociety.org or 203-846-0525. Darien Historical Society, 45 Old Kings Highway North, Darien. Info: 203-655-9233 or darienhistorical.org. Greenwich Historical Society, Bush-Holley Historic Site, 39 Strickland Rd., Greenwich. Info: 203-869-6899, ext. 10 or greenwichhistory.org. Weir Farm National Historic Site, 735 Nod Hill Rd., Wilton. Info: 203-834-1896 or www.nps.gov\/wefa. Danbury Museum & Historical Society, 43 Main St., Danbury. Info: 203-743-5200 or danburymuseum.org. Ridgefield Historical Society, 4 Sunset Ln., Ridgefield. Info: ridgefieldhistoricalsociety.org. Weston Historical Society, 104 Weston Rd., Weston. Free. Info: westonhistoricalsociety.org. Nature\/Science The Maritime Aquarium, 10 North Water St., Norwalk. Info: 203-852-0700 or maritimeaquarium.org. New Pond Farm Education Center, 101 Marchant Rd., West Redding. Info: 203-938-2117 or email@example.com. Bartlett Arboretum & Gardens, 151 Brookdale Rd., Stamford. Info: 203-322-6971 or bartlettarboretum.org. Earthplace, The Nature Discovery Center, 10 Woodside Ln., Westport. Info: 203-227-7253 or earthplace.org. Audubon Greenwich, 613 Riversville Rd. Greenwich. Info: greenwich.audubon.org or 203-869-5272. New Canaan Nature Center, 144 Oenoke Ridge, New Canaan. Info: 203-966-9577. Connecticut Audubon Society Center at Fairfield, 2325 Burr St., Fairfield. Info: 203-259-6305 x109 or ctaudubon.org. Kellogg Environmental Center, 500 Hawthorne Ave., Derby. Info: ct.gov\/deep\/kellogg. Galleries Ridgefield Guild of Artists, 34 Halpin Ln., Ridgefield. Info: rgoa.org. The Geary Gallery, 576 Post Rd., Darien. Katrin Waite: Inside the Outside World, featuring craft artists, Rebecca Dunn and Ken Beerbohm, through Dec. 24. Info: gearygallery.com. Art\/Place Gallery, 70 Sanford St., Fairfield. Info: artplacegallery.org. Newton Roux Gallery, 14 Elm St., Westport. Info: newtonroux.com. Isabella Garrucho Fine Art, 40 West Putnam Ave., Greenwich. Info: igifineart.com. Rockwell Gallery, Old Ridgefield Rd., Wilton Center. Info: 203-762-8311. Fairfield Museum & History Center, 370 Beach Rd., Fairfield. Info: Fairfieldhistory.org. Housatonic Museum Art, 900 Lafayette Blvd., Bridgeport. Info: www2.housatonic.edu\/artmuseum. RPAC Gallery, 424R Main St., Ridgefield. Info: 475-215-5740, firstname.lastname@example.org. A Walk Through Color and Design, by Anita Wasserman, through Dec. 27, Stamford Jewish Community Center Gallery, 1035 Newfield Ave., Stamford. Free. Info: email@example.com. Color in Motion, Dec. 7-Jan. 19, The Kershner Gallery in the Fairfield Public Library, 1080 Old Post Rd., Fairfield. Artwork of Guy Phillips and Matthew Samuels. Reception: Dec. 13, 6-8 p.m. Info: fairfieldpubliclibrary.org. Fairfield County Arts Association's Expressions Art Exhibit, through Dec. 13, Three Roses Studio, 1177 Post Rd., Fairfield. Info: threerosestattoos.com. Winter Light, through Jan. 31, Art\/Place Gallery, 70 Sanford St., Fairfield. Info: artplacegallery.org, 203-374-9720, 646- 258-6912. Up and Out, the oil paintings of Anna Badini, through Jan. 3, The Mayor\u2019s Gallery, 10th flr. Government Center, 888 Washington Blvd., Stamford. Info: 203-858-3082. Glaser and the Grid, Dec. 7-Jan. 3, Greenwich Art Society Gallery, 299 Greenwich Ave., Greenwich. Artwork of Scott Glaser. Info: greenwichartsociety.org.