- 107th Infantry
- 1812 Homestead
- 1890 House
- 1932 & 1980 Lake Placid Winter
- 3 D Ctr Of Art & Photo
- 45th Infantry Div Museum
- 57 Horton's Point Lighthouse
- A C Gilbert's Discovery Vlg
- A D Buck Museum
- ABC No Rio
- Aberdeen-Huntington Twp
- Adams Cnty Historical Society
- Adelson Galleries Inc
- Adena State Memorial
- Adept New American Folk Ctr
- Adirondack Center Museum
- Adirondack Museum
- Adirondack Museum On Main
- African American Wax
- African-American Museum
- Africana Research Museum
- Agness-Illahe Museum Inc
- Agriculture Memories Museum
- Akron Airship Historical Ctr
- Akron Art Museum
- Albany Institute-History & Art
- Albany Regional Museum
- Albright-KNOX Art Gallery
- Alfalfa County Museum
- Alice Austen House Museum
- Allen County Museum
- Allentown Association Inc
- Alling Coverlet Museum
- Alpine Hills Museum
- Alternative Center-Intl Arts
- Alternative Museum
- Alverta Green Museum
- Amagansett Historical Assn
- American Air Power Museum
- American Diner Museum
- American Folk Art Museum
- American Folk Art Museum
- American Friends Of The Bible
- American Friends-Israel Museum
- American Geographical Society
- American Guitar Museum
- American Homing Pigeon Inst
- American Maple Museum
- American Merchant Marine Msm
- American Museum Of Natural
- American Museum Of The Moving
- American Museum-Natrl History
- American Museum-Natural Hstry
- American Museum-Natural Hstry
- American Numismatic Society
- Amherst Historical Society Msm
- Amherst Museum
- Anadarko Philomathic Museum
- Anderson House
- Annmary Brown Memorial
- Anthology Film Archives
- Antique Powerland Inc
- Applegate Trail Interpretive
- Arcade Historical Society
- Arcadia Historical Society
- Ardeneum Of Oklahoma
- Arnold House
- Arnot Art Museum
- Artillery Co Of Newport
- Ashtabula Marine Museum
- Ashville City Museum
- Asia Society
- Asian American Arts Ctr
- Asphalt Warriors
- Associate Of Art Museum
- Associates Of EX Pupils
- Association Of Art Museum
- Astoria Railroad Preservation
- Athens County Historical Scty
- Atoka County Museum
- Auglaize County Historical Soc
- Auglaize County Historical Soc
- Aurora Historical Society
- Austin Museum Studios Inc
- Avery House Nature Ctr
- Aviation Trail
- Bagg Bonanza Farm Historic Inc
- Bandon Historical Society
- Barber Museum
- Barnes County Historical
- Bartlesville Area History Muse
- Battle Of Plattsburgh
- Bayville Historical Museum
- Bedford Historical Schoolhouse
- Bedford Historical Society
- Bedford Historical Society
- Bedford Historical Society
- Beechwood Mansion
- Belcourt Castle
- Bellport Brookhaven Historical
- Belmont County Museum
- Belpre Historical Society
- Benjamin Patterson Inn
- Benton County Historical Msm
- Berea Historical Society
- Best House Medical Exhibit
- Bethlehem Historical Assn
- Betts House Research Ctr
- Bevier House Museum
- Bicycle Museum Of America
- Big Butte Historical Society
- Big Flats Historical Society
- Big Springs Historical Soc
- Big Springs Historical Soc
- Billings County Crthse/Museum
- Bixby Historical Museum
- Black Kettle Museum
- Blair Museum Of Lithophanes
- Blithewold Mansion & Garden
- Boles-Lord House Museum
- Bolton Town Museum
- Bonanzaville USA
- Boscobel Restoration Inc
- Boston Historical Society
- Boswell Museum
- Bottineau County Hist Museum
- Brecksville Historical Assn
- Brick House Historial Museum
- Bridge House Museum
- Bridgehampton Historical
- Bristol Historical & Prsrvtn
- Bristol State House Foundation
- Bronx Council On The Arts Inc
- Bronx Historical Society
- Bronx Museum Of The Arts
- Brookhaven Volunteer Fire
- Brooklyn Children's Museum
- Brooklyn Historical Soc Museum
- Brooklyn Information & Cltr
- Brooklyn Museum
- Brooklyn Museum Of Art
- Brooklyn Wooden Boatbuilding
- Brooklyn's History Museum
- Brooklyn's History Museum
- Brookside Museum
- Brookside Museum
- Brookville Historical Societ
- Broste Rock Museum
- Brukner Nature Ctr
- Brunswick Area Historical
- Brunswick Historical Society
- Brunswick Historical Society
- Buffalo & Erie County Hstrcl
- Buffalo Museum Of Science
- Buffalo Trails Museum
- Buffalo Transportation Museum
- Bullthistle Model Railroad
- Bundy Museum Galleries & Shwrm
- Burchfield Art Ctr-Archvs Libr
- Butler County Museum
- Butler Institute Of Amer Art
- Butler Institute-American Art
- Byron Museum
- Cambridge Historical Society
- Camillus Sim's Store Museum
- Camp Dennison Civil War Museum
- Camp Kimball Historic Site
- Campus Martius Museum
- Canaan Historial Society Inc
- Canadian County Historical
- Canby Depot Museum
- Cannon Beach Historical Soc
- Canton Classic Car Museum
- Canton Museum Of Art
- Cape Verdean Museum Exhibit
- Cape Vincent Historical Museum
- Cape Vincent Historical Museum
- Caples House Museum
- Carillon Historical Park
- Carman's River Maritime Ctr
- Caroga Historical Assoc
- Carousel Society Of Niagara
- Cascade Locks Historical
- Castellani Art Museum
- Castle
- Cathedral Art Museum
- Catherine Tekakwitha Shrine
- Catherine Tekakwitha Shrine
- Catskill Artists Gallery
- Cavalier County Museum
- Caverns Creek Grist Mill
- Cayuga County Fair Speedway
- Cayuga Museum Of History & Art
- Cedarmere Museum
- Center For Figurative Painting
- Centerville Historical Society
- Centerville Historical Society
- Central High School Museum
- Central Ohio Fire Museum
- Central Square Railroad Staton
- Century Village & Museum
- Chaim Gross Studio Museum
- Champlain Valley Transport Msm
- Chapman Historical Museum
- Charlotte Genesee Lighthouse
- Cheektowaga Historical Museum
- Chelsea Art Museum
- Cherokee Courthouse
- Cherokee Heritage Ctr
- Cherokee Strip Museum
- Cherokee Strip Museum Assn
- Cherry Valley Museum
- Chetco Valley Historical
- Chickasaw Council House Museum
- Children's Galleries-Jewish
- Children's Maritime Museum
- Children's Museum
- Children's Museum
- Children's Museum At Saratoga
- Children's Museum At Saratoga
- Children's Museum Of E Oregon
- Children's Museum Of Manhattan
- Children's Museum Of The Arts
- Children's Museum Of The Vly
- Children's Museum Scnc & Tech
- Children's Museum Scnc & Tech
- Children's Museum Yunker Farm
- Children's Museum-Native Amrcn
- Children's Museum-The East End
- Children's Toy & Doll Museum
- Chinese House
- Chinese Museum & Chinese Drago
- Chippewa-Rogues Hollow Hstrcl
- Chisholm Trail Heritage Ctr
- Chisholm Trail Museum
- Chisholm Trl Historical Museum
- Chittenango Landing Canal Boat
- Choctaw Nation Museum
- Chrildren's Museum
- Cimarron Valley Railroad
- Cincinnati Fire Museum
- Cincinnati History Museum
- Cincinnati Museum Ctr
- Cincinnati Reds Hall Of Fame
- Citizens Motorcar Co
- City Island Nautical Museum
- City Museum
- Clarence Historcal Society
- Clatsop County Historical Soc
- Clermont State Historic Site
- Cleveland Botanical Garden
- Cleveland Museum Of Art
- Cleveland Museum Of Art
- Cleveland Museum Of Art
- Cleveland Museum Of Natural
- Cleveland Museum Of Natural
- Clocktower Gallery
- Cloisters Library
- Cloisters The Museum
- Clyde Museum
- CM2-Children's Museum 2nd
- Coal Miners Museum
- Coggeshall Farm Museum
- Colonial Collections
- Columbia Gorge Discovery Ctr
- Columbia River Maritime Museum
- Columbus Museum Of Art
- Commemorative Air Force Spirit
- Concord Historical Society
- Conference House
- Conference House Assn Inc
- Conneaut Historical Railroad
- Constitution Island Assn Inc
- Constitution Works
- Contemporary Arts Ctr
- Coos Art Museum
- Coos County Historical
- Coos County Logging Museum
- Corinth Museum
- Corinth Museum
- Corning Museum Of Glass
- Cortland Bazetta Historical
- Cortland County Historical Soc
- Cortlandt Museum
- County Of Divide
- Cow Neck Peninsula Historical
- Cradle Of Aviation Museum
- Crailo State Historic SITE
- Crailo State Historic SITE
- Crater Rock Museum & Gift Shop
- Crawford Auto-Aviation Museum
- Crestline Shunk Museum
- Creswell Historical Museum
- Croatian Heritage Museum
- Culture Center
- Cumming Nature Ctr
- Curry Co Historical Society
- Custer Trail Museum
- Custom House
- Cuyahoga Valley Historical Msm
