Classified for credit

Tropical botanical garden on Hawaii's Big Island — rainforest plant diversity, ethnobotany, and Hawaiian ecosystem ecology.

New Mexico state park featuring sinkholes filled with spring water — covers karst geology, aquifer science, and desert lake ecosystems.

Museum in Boulder City documenting the construction and engineering history of Hoover Dam — pairs with a dam tour for civil engineering and Depression-era history.

Regional museum with Native American, pre-Columbian, and Pacific Rim collections — supports world cultures, anthropology, and art history curriculum.

Dramatic Snake River canyon state park with a 200-ft waterfall — covers canyon geology, basalt formation, and Idaho river ecology.

Scenic valley in the Buffalo National River corridor with elk herds, karst geology, and Ozark cultural-history context.

Arizona's oldest arboretum with Sonoran Desert and riparian plant collections — covers desert botany, plant adaptation, and arid-land ecology.

World's largest known bat colony — seasonal guided tours cover mammal biology, echolocation, insect ecology, and cave conservation.

Free museum at Los Alamos National Laboratory covering nuclear science and the Manhattan Project — physics, weapons history, and science ethics.

Art museum specializing in Wyeth family paintings and American illustration — supports visual art history and 20th-century American artistic tradition.

Interactive zoo featuring exotic and domestic animals — supports zoology, animal adaptation, and conservation awareness.

Interactive zoo and aquarium with reptiles, birds, and fish — supports animal biology, taxonomy, and wildlife conservation concepts.

Coastal prairie state park with an active alligator population and ranger programs — wildlife ecology and wetland biology in a hands-on setting.

Vanderbilt Gilded Age mansion in Newport — covers late 19th-century American economic history, architecture, and the rise of the industrial elite.

Interstate park straddling VA/KY featuring the 'Grand Canyon of the South' gorge — Appalachian geology, river ecology, and biodiversity.

Restored early-19th-century Creole plantation with guided tours — covers Louisiana plantation history, French Creole architecture, and antebellum social studies.

AZA-accredited municipal zoo with over 1,800 animals and active conservation programs — covers zoology, ecology, and wildlife biology in a hands-on outdoor setting.

Brevard museum near Kennedy Space Center covers Florida natural history, fossils, and Space Age history — strong cross-curricular STEM and history hook.

AZA-accredited zoo with strong conservation programs covering Florida wildlife, tropical species biology, and habitat preservation.

Akron Zoo — animal biology, conservation programs, and wildlife ecology across a mid-size accredited facility.

Drive-through and walking safari park with exotic and native animals — supports zoology, animal behavior, and conservation curriculum.

Guided tour of a natural limestone cave with active speleothem formations — covers geology, cave formation, karst hydrology, and Missouri Ozarks geography.

3.4-million-acre national forest in the Tetons and Wind River Range — covers alpine ecology, watershed science, wildlife biology, and Rocky Mountain geography.

Privately operated zoo with strong conservation focus including rare and endangered species — zoology, animal behavior, and conservation biology.