- Idaho Black History Museum
- Idaho Botanical Garden
- Idaho City Historical Museum
- Idaho Farm & Ranch Museum
- Idaho Farm & Ranch Museum
- Idaho Forest Fire Muesum
- Idaho Heritage Museum
- Idaho Military History Museum
- Idaho Museum Of Mining
- Idaho Museum-Natural History
- IGFA Fishing Hall Of Fame
- Il State Museum-Lockport Gllry
- Ill St Police Heritage Foundat
- Illinois Fire Museum
- Illinois Railway Museum
- Illinois Railway Museum
- Illinois State Military Museum
- Illinois State Museum
- Imaginarium
- Imaginarium Hands On Museum
- Imagination Station
- Imagine It The Children's
- Immokalee Ioneer Museum
- Imperial Calcasieu Museum
- Independence Historical Museum
- Independence Science & Tech
- Indian River Historical Soc
- Indian Rocks Beach Historical
- Indian Rocks Beach Historical
- Indian Temple Mound Museum
- Indian War Memorial
- Indiana Aviation Museum
- Indiana Basketball Hall-Fame
- Indiana Football Hall Of Fame
- Indiana Historical Society
- Indiana Medical History
- Indiana Military Museum Inc
- Indiana Museum-African Amer
- Indiana State Museum
- Indiana Transportation Museum
- Indianapolis Museum Of Art
- Indianapolis Museum Of Contemp
- Ink Interactive Neighborhood
- International Bluegrass Music
- International Fire Museum
- International Museum Of Horse
- International Petroleum Museum
- International Swimming Hall
- Iolani Palace
- Iowa Aviation Museum
- Iowa Childrens Museums
- Iowa Gold Star Museum
- Iowa Great Lakes Maritime
- Irish American Club
- Island Falls Historical Scty
- Island Foundation
- Isle A LA Cache Museum
- Islenos Museum
- Islesboro Historial Society
- Issac Sott Hathaway Museums
- Italian-American Cultural Ctr
- J Howard Bradbury Meml Logging
- J Howard Bradbury Meml Logging
- Jackson Barracks Military Msm
- Jackson County Historical
- Jackson County Museum
- Jacksonville Maritime Museum
- Jacksonville Museum-Modern Art
- James Dean Gallery
- James Dean Gallery
- Japenese American National
- Jasper Cnty Historical Society
- Jasper County Museum
- Jay County Historical Society
- JBESP Fund Inc
- Jefferd's Tavern
- Jefferson County Historical
- Jefferson County Historical
- Jefferson County Historical
- Jefferson County Museum
- Jeffersontown Museum
- Jekyll Island History Ctr
- Jekyll Island Museum
- Jekyll Island Museum & Gift
- Jenny Lind Chapel & Museum
- Jersey County Historical Scty
- Jersey County Historical Scty
- Jewish Museum Of Florida
- Jim Hambrick
- Jim Town Historical Museum Inc
- Jimmy Carter Presidential Lbry
- Jocada Museum Of Jazz
- John Brown State Park
- John C Gorrie Museum
- John L Lewis Mining & Labor
- John Marshall House Museum
- John Marshall House Museum
- Johnny Clock Museum
- Johnny Gruelle Raggedy Ann
- Johnny Gruelle Raggedy Ann
- Johnson County Museums
- Joliet Area Historical Museum
- Jones Museum-Glass & Crmcs
- Joshua L Chamberlain Museum
- Juliette Gordon Low Birthplace
- Junior Museum Of Bay County
- Just Imagine Children's Museum
- K & K Antique Cars & Carriages
- K U Natural History Museum
- Kamuela Museum
- Kankakee County Historical Soc
- Kankakee Model Railroad Club
- Kansas African American Museum
- Kansas Aviation Museum
- Kansas Firefighters Museum
- Kansas Kids Museum
- Kansas Landscape Arboretum
- Kansas Learning Ctr For Health
- Kansas Motorcycle Museum
- Kansas Sports Hall Of Fame
- Kansas Teachers Hall Of Fame
- Kansas Territorial Press
- Kaplan Museum
- Karpeles Manuscript Library
- Kauai Children's Discovery Msm
- Kauai Museum
- Kauffman Museum
- Kaw Mission State Historic Sit
- Kearny County Museum
- Kennebunkport Maritime Museum
- Kenner Planetarium
- Kent House
- Kent Plantation House
- Kentucky Aviation Museum
- Kentucky Aviation Round Table
- Kentucky Coal Mining Museum
- Kentucky Derby Museum
- Kentucky Historical Society
- Kentucky Mansions Preservation
- Kentucky Museum
- Kentucky Museum-Art & Craft
- Kentucky Music Hall Of Fame
- Kentucky Railway Museum Inc
- Ketchum-Sun Valley Historical
- Kevin Bruk Gallery Inc
- Kewanee Historical Society
- Key West Lighthouse Museum
- Keystone Gallery
- Kid City-The Children's Museum
- Kidscommons-Columbus Community
- King Tisdell Cottage
- Kingman County Historical
- Kingston Woman's History Club
- Kingston Woman's History Club
- Kinney Pioneer Museum
- Kiowa Historical Society
- Kittery Historical
- Kline Museum
- Knott House Museum
- Koester House Museum
- Koger Gallery
- Kokee Natural History Museum
- Koreshan Unity Foundation
- Kosciusko County Historical
- L C Bates Museum
- L L Wyatt Sheriff Museum
- LA Belle Heritage Museum Inc
- LA Porte City FFA Ag Museum
- LA Porte County Steam Show
- LA Salle County Historical
- Lafayette Museum/Alexandre Mtn
- Lafayette Natural History
- Lafayette Natural History Msm
- Lahaina Museum Shop
- Lahaina Restoration Foundation
- Lake Bluff Museum
- Lake Pontchatrain Basin
- Lake Wales Depot Museum
- Lakeview Museum Book Court
- Lakeview Museum Book Court
- Lakeview Museum Book Court
- Lamon House
- Lane County Historical Museum
- Lanesfield School Historic
- Lanier Co Historical Society
- Lanier State Historic Site
- Lapham-Patterson House
- Lapham-Patterson House
- Lasalle County Genealogy Guild
- Latah County Historical Scty
- Laupahoehoe Train Museum
- Laupahoehoe Train Museum
- Laura Ingalls Wilder Park
- Laurel & Hardy Museum
- Laurel Valley Village Store
- Laurens County Historical Scty
- Lawrence County Historical
- Lebold Mansion
- Leepa-Rattner Museum Of Art
- Leesburg Historical Museum
- Legler Barn Museum
- Lehigh Historical Museum
- Lemhi County Historical Museum
- Lemhi County Historical Museum
- Leroy's Cycle Sales
- Letcher County Veterans Meml
- Levi Coffin House
- Levy County Quilt Museum
- Lewelling Quaker Museum
- Lewis-Clark Ctr For Arts
- Lexington History Museum
- Liberty Foundation Inc
- Liberty Hall Historic Ctr
- Liberty Hall Historic Site
- Lightner Museum
- Lightner Museum/Library
- Ligonier Visitor Ctr & Radio
- Limberlost State Historic Site
- Lincoln County Historical Assn
- Lincoln Coutroom & Black
- Lincoln Coutroom & Black
- Lincoln Museum
- Lincoln School Museum
- Lincoln School Museum
- Lincolnville Historical Scty
- Linden Depot Museum
- Linden Railroad Museum
- Linn County Museum
- Little White School House
- Little White School House
- Little White School House
- Living Legends Of Auto Racing
- Lockmaster's Hse Heritage Musm
- Locust Grove Historic Site
- Lodge Museum Building
- Lone Tree Historical Museum
- Longue Vue House & Gardens
- Lorado Taft Museum
- Lorado Taft Museum
- Louisa County Historical Msm
- Louisiana Arts & Science Ctr
- Louisiana Association-Museums
- Louisiana Children's Museum
- Louisiana Marine Fisheries
- Louisiana Museum-African Amer
- Louisiana Political History
- Louisiana State Museum
- Louisiana State Oil & Gas
- Louisville Slugger Museum
- Lovell Historical Society
- Lowdens Cnty Historical Museum
- Lowe Art Museum
- Lsu Museum Of Natural Science
- Lumberman's Museum
- Lyon Cnty Historical Scty Msn
- Lyon County Historical Society
- Lyon County Museum
- M & M Music
- M K Nature Ctr Garden Weddings
- Mac Nider Art Museum
- Machiasport Historical Society
- Mack Town Restoration Fndtn
- Macon County Historical Museum
- Macoupin County Historical Soc
- Madison County Historical
- Madison County Historical
- Madison County Historical Soc
- Madison County Historical Soc
- Madison Museum Of Fine Art Inc
- Madison-Morgan Cultural Ctr
- Madisonville Museum
- Madrid Historical Society Msm
- Madrid History & Clay Castle
- Magnolia Manor
- Magnolia Manor
- Magnolia Manor
- Mahaffie Stagecoach Stop
- Mahaska County Historical Scty
- Maine Aviation Historical Soc
- Maine Forest & Logging Museum
- Maine Narrow Gauge Railroad
- Maitland Art Ctr
- Maitland Historical Museum
- Maitland Historical Society
- Major Elijah Curtis Home/Musem
- Male Academy Museum
- Mamie Eisenhower Birthplace
- Mammoth Cave Wax Museum
- Mammoth Cave Wildlife Museum
- Manatee County Agricultural
- Manatee Village Historical Prk
- Mandarin Museum
- Mandarin Museum & Historical
- Maneuvers & Military Museum
- Mansion Museum
- Mansion Museum Winnebago
- Marco Museum Foundation
- Mardi Gras Museum
- Mardi Gras Museum
- Mardi Gras Museum Gift Shop
