Classified for credit

Natural limestone cave in Garner State Park area — covers speleology, karst geology, cave formations, and groundwater systems.

Petrified wood field within Petrified Forest National Park — covers fossilization processes, Late Triassic geology, and paleontology of the Colorado Plateau.

University of Colorado hands-on science education center with interactive STEM exhibits and programs for K–12 learners.

Hands-on science and wildlife center with live animals and interactive exhibits covering ecology, biology, and earth science.

Hands-on science center in Allentown covering physics, engineering, biology, and technology through interactive exhibits and programs.

Guided dark-sky telescope tours near Bryce Canyon — observational astronomy, optics, and dark-sky conservation science.

Dark-sky observing site in remote SW New Mexico — covers light pollution, naked-eye astronomy, and telescope optics in one of the darkest skies in the US.

Full-dome digital planetarium inside the Maryland Science Center — covers solar system mechanics, stellar evolution, and space exploration with immersive shows.

Daytona Aquarium & Rainforest Adventure combines marine biology exhibits with a tropical rainforest ecosystem — covers aquatic and terrestrial ecology.

Delaware aerospace education center offering hands-on aviation and space science programs — covers aerodynamics, physics, and STEM career pathways.

Natural history and science museum with fossil, geology, and wildlife exhibits covering earth science and regional ecology.

Glass-enclosed desert biome exhibit at the Indianapolis Zoo — covers arid-zone ecology, desert adaptations, and biome science.

Natural limestone cave system near Austin offering guided tours covering karst geology, speleothem formation, and cave ecosystems.

Florida sinkhole with a boardwalk descending 120 feet — teaches karst geology, sinkhole formation, and subtropical plant succession.

Natural limestone sinkhole hosting one of the world's largest Mexican free-tailed bat colonies — covers karst geology and mammal biology.

NPS monument featuring columnar basalt formations created by volcanic activity — covers geology, igneous rock formation, and geomorphology.

North Dakota dinosaur museum with fossil displays and paleontology exhibits — covers Cretaceous paleontology, geology, and the natural history of the Great Plains.

Outdoor dinosaur-themed science park with fossil replicas and hands-on exhibits — covers paleontology, prehistoric life, and earth history.

Museum dedicated to dinosaur paleontology with fossil casts and exhibits covering Mesozoic biology, geology, and scientific classification.

Fossil and dinosaur museum near Rapid City, SD with cast and real specimens — covers paleontology, prehistoric ecosystems, and geological time.

Outdoor fossil park in Rapid City featuring life-size dinosaur sculptures at actual excavation sites — covers Cretaceous paleontology and fossil evidence.

Dinosaur tracksite and fossil ridge with visitor center — paleontology, stratigraphy, and Cretaceous-era geology in situ.

Dinosaur-focused science museum and research center covering vertebrate paleontology, fossil identification, and geologic time.

Outdoor dinosaur park with life-size replicas and fossil exhibits — paleontology, prehistoric ecosystems, and geological time.