Classified for credit

Caribbean national park with coral reef snorkeling, hiking trails, and ranger programs covering tropical ecology, marine biology, and geology.

NPS fossil site preserving Columbian mammoth bones in situ — covers paleontology, Pleistocene ecology, and excavation methods with ranger-led tours.

Spectacular gorge state park with 19 waterfalls and layered geology — covers erosion, stratigraphy, hydrology, and physical geography.

National park featuring 275 sq miles of white gypsum dune field — covers sedimentary geology, desert ecology, and mineralogy in a rare landscape.

275 square miles of gypsum sand dunes — covers mineralogy, desert ecology, aeolian geology, and unique plant and animal adaptations.

One of the world's longest caves with boxwork spideleite formations and a surface bison prairie — geology, speleology, and ecology in one park.

Largest US national park — covers glaciology, volcanology, subarctic ecology, and wilderness geography across 13 million acres.

NPS site marking the 1903 first powered flight — covers aviation history, aerodynamics, and the engineering process.

Active paleontological dig site with lab and mounted skeletons — covers vertebrate paleontology, stratigraphy, and fossil preparation.

Yale's natural history museum with extensive fossil, mineralogy, and zoology collections — covers paleontology, evolution, and Earth science.

World's largest active geothermal area in a national park — covers geology, hydrothermal chemistry, wildlife biology, and ecosystem science.

UNESCO World Heritage Site featuring active geothermal features, diverse megafauna, and multiple ecosystems — geology, ecology, and conservation biology in one landscape.

Yellowstone National Park offers geothermal geology, wildlife biology, and ecology across multiple biomes with ranger-led education programs.

NPS battlefield where the American Revolution effectively ended — ranger-led programs cover Revolutionary War military strategy, diplomacy, and colonial history.

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

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

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

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.

Adirondack Museum (now Adirondack Experience) documenting life and culture in the Adirondacks — regional history, ecology, and folk craft.

NPS fossil site preserving Miocene-era mammal beds — paleontology, stratigraphy, and the fossil record in an outdoor field setting.

Seminole Tribe museum on the Big Cypress Reservation covering Seminole history, culture, and the Everglades Wars through artifacts and exhibits.

State natural history museum with fossil, mineral, and biology collections — covers paleontology, geology, and Alabama ecology.