Classified for credit

Theme-park-style marine attraction with orca, dolphin, and sea lion exhibits — covers marine mammal biology and conservation messaging.

Marine zoological park with live ocean animals, conservation exhibits, and keeper presentations covering marine biology and animal behavior.

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

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

National park containing the world's largest trees — covers conifer biology, forest ecology, geology, and conservation principles.

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.

Oregon state park with a trail of ten waterfalls — volcanic geology, old-growth forest ecology, and hydrology in a developed park with visitor facilities.

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.

Smithsonian complex on the National Mall — multiple free museums covering natural history, aerospace, American history, and applied science.

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

Smithsonian museum covering American political, cultural, and technological history through primary artifacts and interactive exhibits.

Smithsonian flagship aviation and space museum with historic aircraft and spacecraft — covers aerospace engineering, physics, and the history of flight.

Iconic Frank Lloyd Wright–designed museum with rotating modern and contemporary art exhibits — supports art history and visual arts curriculum.

Large public aquarium on Charleston Harbor — covers marine biology, coastal ecology, and South Atlantic watershed conservation.

NASA's official visitor center adjacent to Johnson Space Center — covers spaceflight engineering, mission history, astronaut training, and aerospace science.

Space Shuttle Atlantis exhibit at Kennedy Space Center — covers aerospace engineering, orbital mechanics, and the history of the U.S. Space Shuttle program.

Smithsonian hands-on invention lab at the National Museum of American History — engineering design process, problem-solving, and invention history.

Kennedy Space Center's Space Station Processing Facility — covers spacecraft engineering, orbital mechanics, and NASA human spaceflight history.