Discovery Museum, Bridgeport
From 10 a.m. until 5 p.m., visitors receive half price off general admission. (203) 372-3521

Bush-Holley Historic Site, Cos Bob
Buy one admission, get the second for free, from noon until 4 p.m. (203) 869-6899

Gallery at Still River Editions, Danbury
From noon until 5 p.m. is the opening reception for Nearly Forgotten, an exhibit of photographs by Catherine Vanaria of hats from the Danbury Museum & Historical Society’s collection. At 3 p.m., there will an artist talk and presentation. Light refreshments served. (203) 791-1474

YMCA ESCAPE to the Arts, Danbury
From noon until 4 p.m., view the exhibition Destination Connecticut (June 10-July 19), showcasing a variety of works depicting destinations landmarks and imagery in Connecticut. Artists will also be demonstrating their skills and children can make a craft. (203) 794-1413

Fairfield Museum and History Center, Fairfield
Free admission from noon until 4 p.m. (203) 259-1598

Ogden House (1750), Fairfield
Free admission from noon until 4 p.m. (203) 259-1598

Sweet & Simple, Fairfield
From 8 a.m. until 2 p.m., offering free samples of the newest product from The Farmer’s Cow, The Farmer’s Cow Ice Cream Cookie Sandwiches, featuring cookies baked with love by Sweet & Simple. Also offering complimentary cookies. (203) 292-8992

Bellarmine Museum of Art, Fairfield
Free family day activities from 1 p.m. until 4 p.m. Museum will be open from noon until 5 p.m. (203) 254-4046

Bruce Museum, Greenwich
Free admission from 10 a.m. until 5 p.m. (203) 869-0376

Lockwood-Mathews Mansion Museum, Norwalk
Half price admission from noon until 4 p.m. (203) 838-9799

Center for Contemporary Printmaking, Norwalk
Open from 9 a.m. until 5 p.m., offering complimentary soft drinks. (203) 899-7999

Gallaher Mansion & Carriage House Theater, Norwalk
From noon until 4 p.m., free tours of the mansion, listed on the National Register of Historic Places, with complimentary refreshments. Guests may enter to win free tickets to a Carriage House Theater show. (203) 854-7806

The Glass House, New Canaan  
Visitors will receive a complimentary hard cover coffee table book “Modern Views" and experience the iconic Glass House site by walking through the 47-acre, curated landscape. View the 14 architectural structures and world-class art and design collection, and explore the interiors of Philip Johnson’s house. Tours are two hours and leave at 9:45 a.m., 10:30 a.m., 11:15 a.m., noon, and 1:30 p.m. Advance reservations are required. (203) 594-9884

Shelton History Center, Shelton
Free admission from 11 a.m. until 3 p.m. (203) 925-1803

Stamford Museum & Nature Center, Stamford
Free admission for the first 100 visitors from 9 a.m. until 5 p.m. (203) 322-1646

Trumbull Historical Society, Trumbull
Free admission from noon until 4 p.m. Site on the Washington-Rochambeau Revolutionary Route.(203) 377-6620

Westport Historical Society, Westport
Open from noon until 4 p.m., offering 10% discount on items in the gift shop. (203) 222-1424

River Road Gallery, Wilton
Open from 10 a.m. until 6 p.m., with art show opening Build, a photography exhibit featuring the work of select students from the Family & Children’s Agency. Complimentary refreshments available. (203) 762-3887