Classified for credit

Downtown aquarium with large freshwater and marine exhibits — fish biology, aquatic food webs, and water ecosystem science.

Community planetarium and science center with hands-on exhibits — covers astronomy, physics, and earth science through shows and interactive displays.

Natural history museum at the Buffalo Bill Center of the West covering Wyoming ecology, paleontology, and Great Plains natural science.

Natural history museum at the Buffalo Bill Center of the West covering Rocky Mountain ecology, geology, and native wildlife specimens.

Oldest unrestored plantation house in the US — colonial architecture, plantation economy, and American slavery history.

Full-dome digital planetarium at the Newark Museum — covers astronomy, the solar system, and celestial mechanics.

Living-history farm preserving 1880s–1940s Florida agricultural life — covers pioneer farming methods, botany, and rural social history.

Former Duke estate converted to a 2,700-acre sustainable land preserve with marked trails and an education center — covers ecology, land stewardship, and conservation biology.

Tennessee state park built around a cave system with a spring-fed lake — covers cave geology, karst hydrology, and Native American and Civil War history.

Hands-on children's museum with exhibits in building, water, and early literacy — designed to support STEM exploration and language development for young learners.

Omaha's history museum housed in a restored 1931 Art Deco train station — covers Great Plains, railroad, and immigrant settlement history.

Large hands-on science center at the University of Nebraska Omaha — interactive exhibits in physics, biology, earth science, and technology.

Oldest US Black-history museum — African-American history, art, and Chicago Black-community heritage.

Drive-through safari park with free-roaming animals — applied zoology, animal behavior, and wildlife biology in a hands-on outdoor setting.

Presidential library and museum covering Eisenhower's military career and presidency — supports study of WWII, Cold War diplomacy, and 20th-century American government.

Developed nature center near Anchorage with trails along the Eagle River — covers boreal forest ecology, Alaskan wildlife, and watershed biology.

Hands-on children's museum focused on Alabama and Huntsville history — covers early settlement, communication, and daily life through interactive exhibits.

Reconstructed Mississippian earth lodge at Ocmulgee Mounds — covers pre-Columbian Native American archaeology, anthropology, and mound-builder culture.

Teton-area wildlife sanctuary and educational institute — covers large-mammal ecology, predator-prey relationships, and Greater Yellowstone ecosystem conservation.

Preserved narrow-gauge railroad with operating steam locomotives — covers 19th-century industrial history, rail engineering, and Appalachian heritage.

Gettysburg cavalry battlefield — covers the July 3, 1863 Union cavalry actions, Civil War tactics, and the decisive role of the Eastern Theater.

Regional science center with a full-dome planetarium — covers astronomy, physics, and earth science through live shows and interactive exhibits.

Heritage electric railway with operable vintage interurban cars — covers railroad history, electrical engineering basics, and regional transit development.

Hands-on aquarium and science center focused on Lake Champlain ecology — covers freshwater biology, watershed science, and regional environmental stewardship.