Classified for credit

Private nature preserve with trails, wetlands, and environmental education programs covering Ohio woodland and wetland ecology.

Childhood home of humorist James Thurber — supports American literature study, biography, and early 20th-century Ohio domestic history.

Toledo-area botanical garden with themed plant collections — supports botany, plant taxonomy, and horticultural science.

Amphitheater within Toledo Zoo grounds — curriculum value derives from the surrounding zoo exhibits covering zoology and animal conservation.

Contemporary art museum housed in a converted electrical substation — covers modern and contemporary visual art with rotating exhibits.

Appointment-only petting zoo with farm animals — introduces animal husbandry, basic zoology, and responsible animal care.

Small Ohio state park with lake and woodland habitats — covers freshwater ecology, Ohio native species, and outdoor recreation in the Great Lakes region.

Ohio Nature Conservancy preserve with cedar bogs, rare plant communities, and guided programs — covers wetland ecology and Ohio biodiversity.

Community planetarium offering scheduled sky shows covering celestial mechanics, constellations, and solar system science for K–12 audiences.

University planetarium with full-dome star shows covering astronomy, celestial mechanics, and the solar system.

Amateur astronomy club with public star parties and telescopes — covers observational astronomy, celestial mechanics, and light/optics.

Presidential home and memorial of Warren G. Harding — covers early 20th-century executive history, the Teapot Dome era, and presidential biography.

Public observatory operated by Richland Astronomical Society — telescope optics, celestial mechanics, and observational astronomy.

Environmental education center focused on local watershed health — covers water chemistry, stormwater management, and ecology.

National forest in the unglaciated hill country of southeastern Ohio — forest ecology, watershed science, and Appalachian physical geography.

Dayton MetroPark featuring formal gardens, wetlands, and nature trails — covers botany, wetland ecology, and native plant communities.

Campus observatory at Otterbein University offering public viewing sessions — covers optics, celestial mechanics, and observational astronomy.

Frank Lloyd Wright-designed home open for tours — covers American architectural history and Prairie Style design principles.

Ohio state park centered on Michael J. Kirwan Reservoir — supports freshwater ecology, lake geology, and outdoor physical education.

Cleveland Metroparks creek-corridor reservation with trails — supports riparian ecology, watershed biology, and outdoor PE.

Regional contemporary art gallery in Cincinnati's Aronoff Center — supports visual arts curriculum with rotating exhibits by living artists.

Ohio State University's contemporary art center with rotating exhibitions — formal study of modern and experimental visual art.

Private wildlife ranch near Sandusky offering animal encounters — applied zoology, animal husbandry, and wildlife biology.

Farm animal rescue with hands-on petting zoo — covers domestic animal biology, animal care, and introductory conservation concepts.