Classified for credit

Colorado national park featuring alpine ecosystems, tundra habitats, and ranger programs covering geology, wildlife biology, and high-altitude geography.

Presidential library and museum covering Reagan's governorship, Cold War policy, and the presidency — includes Air Force One and primary-source government documents.

Planetarium and space science center at the American Museum of Natural History — covers astronomy, cosmology, and Earth science.

Underground waterfall cave system beneath Lookout Mountain — covers speleology, geology of limestone caves, and karst hydrology.

Major encyclopedic art museum in Forest Park with works spanning antiquity to contemporary — supports art history and visual analysis.

Largest collection of Salvador Dalí works outside Europe — covers Surrealism, 20th-century art history, and art analysis.

Full-dome planetarium at Griffith Observatory with live astronomy shows — covers stellar science, cosmology, and celestial mechanics.

NPS-operated network of four Spanish colonial missions — covers Spanish colonization, Native American history, and early Texas settlement with ranger-led programs.

Major natural history museum with paleontology, mineralogy, and regional ecology collections covering Earth science, evolution, and biodiversity.

World-renowned zoo with 3,500+ animals and strong conservation programming — covers zoology, ecology, animal behavior, and global biodiversity.

Large hands-on science center inside Union Station — covers physics, biology, earth science, and engineering through interactive exhibits.

Large hands-on science museum with exhibits spanning physics, biology, and earth science — broad STEM curriculum coverage for all ages.

Large Oklahoma science center with hands-on STEM exhibits, planetarium, and OmniDome theater — covers physical science, earth science, and applied mathematics.

Sequoia and Kings Canyon parks offer ranger programs on old-growth ecology, geology, and giant sequoia biology.

National park featuring the world's largest trees — old-growth ecology, dendrology, Sierra Nevada geology, and conservation biology.

Major inland aquarium housing 32,000+ animals — covers marine biology, ecology, animal behavior, and conservation across freshwater and ocean habitats.

National park along the Blue Ridge with ranger programs, wildlife habitat, and Appalachian Trail access — covers ecology, geology, and conservation.

105-mile scenic parkway through Shenandoah National Park — covers Blue Ridge geology, Appalachian ecology, and geography with ranger programs available.

National lakeshore featuring glacially formed dunes, freshwater ecology, and Great Lakes geography with ranger-led interpretive programs.

National Lakeshore on Lake Michigan with massive sand dunes, forest ecosystems, and ranger programs covering geology, ecology, and Great Lakes geography.

Smithsonian natural history museum with dinosaur halls, human origins exhibit, and gem collections — paleontology, geology, biology, and anthropology.

Smithsonian's free national zoo with 1,800+ animals and active conservation research — supports zoology, ecology, and wildlife biology.

Smithsonian museum with the largest collection of American art — covers U.S. art history from colonial period through contemporary works; free admission.

Complex of 19 free museums and galleries covering natural history, aerospace, American history, art, and zoology — broad curriculum coverage across all grade levels.