Classified for credit

UNESCO World Heritage national park covering glaciology, granite geology, giant sequoia ecology, and Sierra Nevada watershed biology.

UNESCO World Heritage Site and national park — covers geology, ecology, watershed science, and wildlife biology across diverse Sierra Nevada ecosystems.

Utah national park featuring canyon geology, riparian ecosystems, and ranger-led programs covering plate tectonics and desert ecology.

AZA-accredited zoo with strong conservation programs covering animal biology, endangered species, and global biodiversity.

One of the largest zoos in the US with a strong conservation focus — animal biology, tropical ecosystems, and global wildlife conservation programs.

Major AZA-accredited zoo with 2,000+ animals and strong conservation education programs — covers zoology, animal adaptations, and global biodiversity.

Pittsburgh Zoo operated by the Zoological Society — covers animal biology, global ecosystems, and wildlife conservation across a large multi-biome collection.

AZA-accredited zoo with strong Florida wildlife and manatee rehabilitation programs — covers zoology, conservation biology, and endangered species.

Reconstructed 1843 Hudson's Bay Company fur-trade fort with living-history demonstrations — Pacific Northwest settlement, Indigenous trade relations, and pioneer life.

Living-history replica of an 1880s South Dakota frontier town with original and reconstructed buildings — covers pioneer life and westward expansion.

1920s living-farm museum — period farming practices, livestock care, and early-20th-century rural life.

Hands-on discovery center for Wyoming youth covering state history, natural resources, and STEM concepts — supports Wyoming history and interdisciplinary learning.

John Hancock Center observation deck demonstrates structural engineering, wind-load physics, and urban geography at 1,000 feet.

American Airlines flight academy and aviation museum covering aerodynamics, pilot training technology, and the history of commercial flight.

Working heritage farm museum with historic equipment and live animals — covers agricultural history, rural life, and farm science.

Working grist mill nature center with pond, trails, and ecology programs — covers mill mechanics, wetland biology, and local natural history.

Heritage narrow-gauge railroad through Smoky Valley — railroad history, steam engineering, and Kansas frontier settlement context.

Large urban botanic garden with desert, Mediterranean, and heritage gardens plus butterfly pavilion — covers plant biology, ecology, and Southwestern horticulture.

Inland aquarium within the ABQ BioPark — marine and freshwater biology, fish taxonomy, and aquatic ecosystem study with live exhibits.

City zoo with strong conservation programming — covers vertebrate biology, animal behavior, and global biodiversity across diverse habitat exhibits.

NPS site preserving Lincoln's Kentucky birth cabin and boyhood home — primary-source study of Abraham Lincoln's early life and 19th-century frontier settlement.

National historic park preserving Lincoln's birth site with a symbolic log cabin and visitor center — covers early 19th-century frontier life and the presidency.

Museum documenting Acoma Pueblo, one of the oldest continuously inhabited communities in North America — covers Indigenous history and Southwest archaeology.

NPS site preserving homes of Presidents John Adams and John Quincy Adams — covers Federalist-era politics, diplomacy, and early American government.