There are natural history museums in all 50 of the United States and the District of Columbia. The oldest such museum, the Academy of Natural Sciences in Philadelphia, Pennsylvania, was founded in 1812.

Alabama Alabama Museum of Natural History, Tuscaloosa Anniston Museum of Natural History, Anniston Auburn University Museum of Natural History, Auburn Cook's Natural Science Museum, Decatur Dauphin Island Sea Lab, Dauphin Island Mann Wildlife Learning Museum, Montgomery McWane Science Center, Birmingham Southern Environmental Center, Birmingham Weeks Bay Interpretive Center, Fairhope

Alaska Alaska Museum of Science and Nature, Anchorage Alaska State Centennial Museum, Juneau Pratt Museum, Homer Southeast Alaska Discovery Center, Ketchikan University of Alaska Museum of the North, Fairbanks

Arizona Arizona Mining and Mineral Museum, Phoenix Arizona Museum of Natural History, Mesa Arizona-Sonora Desert Museum, Tucson Center for Meteorite Studies, Arizona State University, Tempe International Wildlife Museum, Tucson Meteor Crater, Winslow Museum of Northern Arizona, Flagstaff Petrified Forest National Park, Navajo County University of Arizona Mineral Museum, Tucson

Arkansas Arkansas Museum of Discovery, Little Rock Arkansas River Visitor Center, Russellville Turner Neal Museum of Natural History, Monticello White River National Wildlife Refuge, DeWitt

California Arcata Marsh Interpretive Center, Arcata Bohart Museum of Entomology, University of California, Davis, Davis Bowers Museum, Santa Ana Buena Vista Museum of Natural History, Bakersfield California Academy of Sciences, San Francisco California Mining and Mineral Museum, Mariposa Carolyn Parr Nature Center, Napa Chico Creek Nature Center, Chico CuriOdyssey, San Mateo Entomology Research Museum, University of California, Riverside, Riverside Essig Museum of Entomology, University of California, Berkeley, Berkeley Fallbrook Gem and Mineral Society Museum, Fallbrook Fossil Discovery Center of Madera County, Chowchilla Gateway Science Museum, Chico Gaumer's Jewelry & Museum, Red Bluff Giant Forest Museum, Tulare County Gray Lodge Wildlife Area, Gridley Great Valley Museum of Natural History, Modesto Heritage of the Americas Museum, Rancho San Diego Hi-Desert Nature Museum, Yucca Valley Human Evolution Research Center, UC Berkeley Humboldt State University Natural History Museum, Arcata Humboldt State University Wildlife Museum, Arcata Imperial Valley College Desert Museum, Ocotillo John D. Cooper Archaeological and Paleontological Center, Orange County Joshua Tree National Park, Riverside & San Bernardino Counties Junior Museum & Zoo, Palo Alto Jurupa Mountains Discovery Center, Jurupa Valley Klamath National Forest, Siskiyou County Lassen Volcanic National Park, Redding Lindsay Wildlife Experience, Walnut Creek Loomis Museum, Shingletown Maidu Museum & Historic Site, Roseville Maturango Museum, Ridgecrest Mono Basin National Scenic Area Visitor Center, Lee Vining Morro Bay State Park Museum of Natural History, Morro Bay Monterey Bay Aquarium, Monterey Museum of Riverside, Riverside Museum of Vertebrate Zoology, Berkeley Museum of Wildlife and Fish Biology, Davis Napa Valley Museum, Yountville Natural History Museum of Los Angeles County, Los Angeles Oakland Museum of California, Oakland Pacific Grove Museum of Natural History, Pacific Grove Page Museum - La Brea Tar Pits, Los Angeles Petaluma Wildlife & Natural Science Museum, Petaluma Phoebe A. Hearst Museum of Anthropology, UC Berkeley Point Reyes National Seashore, Marin County Point Vicente Interpretive Center, Rancho Palos Verdes Randall Museum, Corona Heights Park, San Francisco Ralph B. Clark Regional Park, Buena Park Raymond M. Alf Museum of Paleontology, Claremont San Bernardino County Museum, Redlands San Diego Natural History Museum, San Diego San Gabriel River Discovery Center, South El Monte Santa Barbara Museum of Natural History, Santa Barbara Santa Barbara Museum of Natural History Sea Center, Santa Barbara Santa Cruz Museum of Natural History, Santa Cruz Seymour Marine Discovery Center, Santa Cruz Sierra College Natural History Museum, Rocklin Tehama County Museum, Tehama Turtle Bay Exploration Park, Redding Western Science Center, Hemet University of California Museum of Paleontology, UC Berkeley University and Jepson Herbaria, UC Berkeley Western Foundation of Vertebrate Zoology, Camarillo World Museum of Natural History, La Sierra University, Riverside

Colorado Denver Museum of Nature and Science, Denver Rocky Mountain Dinosaur Resource Center, Woodland Park May Natural History Museum, Colorado Springs Morrison Natural History Museum, Morrison Museum of Western Colorado's Dinosaur Journey Museum, Fruita University of Colorado Museum of Natural History, Boulder The Wildlife Experience, Parker

Connecticut Bruce Museum of Arts and Science, Greenwich Connecticut Audubon Society Birdcraft Museum and Sanctuary, Fairfield Connecticut State Museum of Natural History, Storrs Denison Pequotsepos Nature Center, Mystic Dinosaur Place at Nature's Art Village, Montville Dinosaur State Park and Arboretum, Rocky Hill Earthplace, Westport Northwest Park Nature Center, Windsor Peabody Museum of Natural History at Yale University, New Haven Peoples State Forest Nature Museum, Barkhamsted Stamford Museum and Nature Center, Stamford White Memorial Conservation Center, Litchfield Wesleyan Joe Webb Peoples Museum of Natural History, at Wesleyan University, Middletown

Delaware Delaware Center for Horticulture, Greenville Delaware Mineralogical Society, Wilmington Delaware Museum of Nature and Science, Wilmington Iron Hill Museum & Science Center, Newark University of Delaware Mineralogical Museum, Newark

District of Columbia National Geographic Museum at Explorers Hall, Washington, D.C. National Museum of Natural History, Smithsonian Institution, Washington, D.C.

Florida Bailey-Matthews National Shell Museum, Sanibel Bishop Museum of Science and Nature, Bradenton Butterfly World, Coconut Creek Calusa Nature Center and Planetarium, Fort Myers Crane Point Museum, Nature Center and Historic Site, Marathon Elsa Kimbell Environmental Education and Research Center, Hobe Sound Rookery Bay Environmental Learning Center, Naples Fairchild Tropical Botanic Garden, Coral Gables Florida Keys Eco-Discovery Center, Key West Florida Museum of Natural History, Gainesville Huguenot Memorial Park Nature Center, Jacksonville Fred Dana Marsh Museum, Ormond Beach Harbor Branch Ocean Discovery Center, Fort Pierce Historic Spanish Point, Osprey Jacksonville University Life Sciences Museum, Jacksonville Loggerhead Marinelife Center, Juno Beach Marine Science Center, Ponce Inlet Mulberry Phosphate Museum, Mulberry Museum of Arts and Sciences, Daytona Beach Museum of Dinosaurs and Ancient Cultures, Cocoa Beach Museum of Science and History, Jacksonville The Palm Beach Museum of Natural History, Wellington Polk's Nature Discovery Center, Lakeland Sandoway Discovery Center, Delray Beach Silver River Museum, Silver Springs Tallahassee Museum, Tallahassee Terramar Visitor Center, Fort Lauderdale Tree Hill Nature Center, Jacksonville Weedon Island Preserve Cultural and Natural History Center, St. Petersburg

Georgia Charlie Elliott Wildlife Center, Mansfield Dauset Trails Nature Center, Jackson Elachee Nature Science Center, Gainesville Fernbank Museum of Natural History, Atlanta Georgia Museum of Natural History, Athens Georgia Southern University Museum, Statesboro Go Fish Education Center, Perry Museum of Arts and Sciences, Macon Sapelo Island Visitors Center, Sapelo Island Savannah-Ogeechee Canal Museum & Nature Center, Savannah Tellus Science Museum, Cartersville Tidelands Nature Center, Jekyll Island West Georgia Museum, Tallapoosa William P. Wall Museum of Natural History, Milledgeville

Hawai'i Bernice P. Bishop Museum, Honolulu Hawaii Nature Center, Maui Kauaʻi Museum, Lihue Kōke'e Museum, Kauai Lucoral Museum, Honolulu Lyman House Memorial Museum, Hilo Mokupāpapa Discovery Center, Hilo Nani Mau Gardens, Hilo

Idaho Boise State University Vertebrate Museum, Boise Canyon Crossroads Transportation Museum, Melba Hagerman Fossil Beds National Monument, Hagerman Herrett Center for Arts and Science, Twin Falls Idaho Heritage Museum, Twin Falls Idaho Museum of Natural History, Pocatello MK Nature Center, Boise Museum of Idaho, Idaho Falls Orma J. Smith Museum of Natural History, Caldwell

Illinois Burpee Museum of Natural History, Rockford Elgin Public Museum, Elgin Evelyn Pease Tyner Interpretive Center, Glenview Field Museum of Natural History, Chicago Fryxell Geology Museum, Rock Island The Grove National Historic Landmark, Glenview Henry N. Barkhausen Cache River Wetlands Center, Cypress Jarrett Prairie Center, Byron Jurica-Suchy Nature Museum, Benedictine University, Lisle Illinois State Museum, Springfield Midwest Museum of Natural History, Sycamore Chicago Academy of Sciences/Peggy Notebaert Nature Museum, Chicago Peoria Riverfront Museum, Peoria Prairie Grass Nature Museum, Round Lake Trailside Museum of Natural History, River Forest Western Illinois University Museum of Geology, Macomb

Indiana Evansville Museum of Arts, History and Science, Evansville Falls of the Ohio State Park Interpretive Center, Clarksville Hayes Arboretum, Richmond The Children's Museum of Indianapolis, Indianapolis Indiana State Museum, Indianapolis Joseph Moore Museum, Richmond Minnetrista, Muncie Museum of Biodiversity, Notre Dame Sumner B. Sheets Museum of Wildlife and Marine Exhibits, Huntington

Iowa Dorothy Pecaut Nature Center, Sioux City Fossil & Prairie Center, Rockford Prairie Learning Center, Prairie City Putnam Museum, Davenport Sanford Museum & Planetarium, Cherokee University of Iowa Museum of Natural History, Iowa City University of Northern Iowa Museum, University of Northern Iowa, Cedar Falls Voas Nature Area & Museum, Minburn

Kansas Fick Fossil Museum, Oakley Flint Hills Discovery Center, Manhattan Great Plains Nature Center, Wichita Johnston Geology Museum, Emporia Kansas State University Insect Zoo, Manhattan Keystone Gallery, Oakley Museum at Prairiefire, Overland Park Museum of World Treasures, Wichita Pratt Education Center, Pratt Schmidt Museum of Natural History, Emporia Sternberg Museum of Natural History, Hays University of Kansas Natural History Museum, Lawrence

Kentucky American Cave Museum, Horse Cave American Saddlebred Museum, Lexington Ben E. Clement Mineral Museum, Marion Big Bone Lick State Park, Big Bone Cumberland Inn Museum - Henkelmann Life Science Collection, Williamsburg Mammoth Cave Wildlife Museum, Cave City

Louisiana Black Bayou Lake National Wildlife Refuge, Ouachita Parish Cameron Prairie National Wildlife Refuge, Lake Charles Jean Lafitte National Historical Park and Preserve, Marrero Lafayette Science Museum, Lafayette Louisiana Art and Science Museum, Baton Rouge Louisiana Museum of Natural History, Baton Rouge Touchstone Wildlife and Art Museum, Haughton ULM Museum of Natural History, Monroe

Maine Bar Harbor Whale Museum, Bar Harbor George B. Dorr Museum of Natural History, Bar Harbor International Cryptozoology Museum, Portland Kenneth E. Stoddard Shell Museum, Boothbay L. C. Bates Museum, Hinckley Maine Art Glass Butterfly and Insect Museum, Lisbon Falls Maine Gem and Mineral Museum, Bethel Maine State Museum, Augusta Monhegan Museum, Monhegan Northern Maine Museum of Science, Presque Isle Nylander Museum, Caribou , Rockland Wilson Museum, Castine

Maryland Blackwater National Wildlife Refuge Visitor Center, Dorchester County Deep Creek Lake State Park Discovery Center, Garrett County Eden Mill Nature Center, Pylesville Irvine Nature Center, Owings Mills Maryland Science Center, Baltimore Patuxent Research Refuge, Laurel Natural History Society of Maryland, Baltimore

Massachusetts Bartholomew's Cobble, Sheffield Beneski Museum of Natural History at Amherst College, Amherst Berkshire Museum, Pittsfield Blue Hills Trailside Museum, Norfolk County