Classified for credit

Major science and natural-history complex inside a historic Art Deco train terminal — covers paleontology, astronomy, and regional natural history.

AZA-accredited zoo with strong conservation programming covering wildlife biology, endangered species, and global ecosystem diversity.

World's longest known cave system with guided tours — covers speleology, karst geology, cave ecology, and geologic time.

Mammoth Cave National Park, the world's longest known cave system, offers ranger-led tours covering speleology, geology, and karst hydrology.

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.

Full-scale Noah's Ark replica presenting a biblical-history narrative — covers ancient Near Eastern textual traditions and the history of biblical interpretation.

14,000-acre privately owned forest and arboretum in Kentucky with labeled tree collections, trails, and a nature center — covers dendrology, forest ecology, and conservation biology.

State site preserving Pleistocene megafauna fossil deposits — paleontology, Ice Age ecology, and early human interaction with extinct species.

Museum at a Pleistocene fossil salt lick site — covers paleontology, ice-age megafauna, and the geological history of the Ohio Valley.

Heritage railway excursion through the former coal-mining region of McCreary County, covering Appalachian industrial and railroad history.

NPS visitor center at a major Civil War Union supply base and USCT training site — covers African-American Civil War service and Kentucky Unionist history.

State park featuring multiple guided cave tours — covers karst geology, speleothem formation, cave ecosystems, and local geography.

Faith-based natural history exhibit presenting young-earth creationist interpretations of geology, paleontology, and world history alongside Biblical narratives.

State resort park featuring one of the few moonbow sites in the world — covers hydrology, optics, and Appalachian ecology.

National park preserving the famous mountain pass used by settlers and Civil War-era troops — covers westward expansion, Appalachian geography, and frontier history.

700,000-acre national forest with caves, arches, and ranger programs — supports Appalachian ecology, geology, and physical geography.

Drive-through safari park with free-roaming animals — applied zoology, animal behavior, and wildlife biology in a hands-on outdoor setting.

Regional science center with a full-dome planetarium — covers astronomy, physics, and earth science through live shows and interactive exhibits.

Working orchard and cider mill with pick-your-own and press demonstrations — covers fruit tree biology, fermentation science, and seasonal agricultural cycles.

Reconstructed 1775 frontier fort — Daniel Boone, Kentucky settlement, and frontier life.

Working farm with seasonal crops, animals, and pick-your-own activities — applied plant biology, agricultural science, and food systems.

Underground cave tour in the Red River Gorge area — karst geology, speleology, and Appalachian hydrology.

Active cave system with museum covering karst geology, hydrology, and cave ecology alongside conservation history.