Classified for credit

NPS-managed mountain park in the Blue Ridge with ranger programs, trails, and forest ecology — covers Appalachian ecology, geology, and environmental science.

High-elevation amphitheater of hoodoos and erosional geology in a national monument — covers geomorphology, stratigraphy, and subalpine ecology.

Regional zoo and botanical gardens with conservation programs covering Florida wildlife, plant biology, and animal ecology.

NPS-managed river corridor through metro Atlanta — riparian ecology, watershed biology, and Georgia geography with developed trails and ranger programs.

AZA-accredited zoo with conservation programming — covers vertebrate biology, animal behavior, and global habitat ecology through living animal exhibits.

Alabama's highest point state park featuring Appalachian geology, diverse hardwood forest ecology, and ranger-supported nature programming.

National recreation area with natural freshwater springs and lakes — covers hydrology, aquatic ecology, and Oklahoma geology through ranger programs and trails.

State park centered on a 315-foot monadnock in the Blue Ridge foothills — supports geology, erosion processes, Appalachian ecology, and physical fitness units.

NPS monument featuring dramatic volcanic rock pinnacles and sky-island ecosystems — covers geology, erosion, and Chihuahuan Desert ecology.

National scenic area spanning a dramatic river gorge — covers volcanic geology, Columbia River watershed ecology, and Pacific Northwest geography.

Free municipal zoo and botanical conservatory — covers zoology, botany, and plant biology with a strong focus on family learning.

Old-growth floodplain forest and national park with ranger programs — covers temperate forest ecology, hydrology, and biodiversity observation.

National Audubon boardwalk sanctuary through old-growth bald cypress swamp — covers wetland ecology, botany, and bird biology.

Florida Keys natural and cultural history museum covering tropical ecosystems, native wildlife, and coral reef biology.

Undeveloped barrier island national seashore offering ecology, maritime history, and coastal biology study with ranger programs.

NPS recreation area on Blue Mesa Reservoir with boating, hiking, and geology exhibits — covers watershed ecology, glacial geology, and Western geography.

National park along the Ohio & Erie Canal featuring ranger programs on river ecology, canal history, and Cuyahoga Valley geology.

66-acre botanical garden on White Rock Lake — plant biology, ecology, and seasonal horticulture with labeled collections.

National recreation area spanning the Delaware River corridor — river ecology, watershed biology, and Appalachian geography with ranger programs.

National Recreation Area along the Delaware River — river ecology, watershed science, and Appalachian geography with NPS ranger programs.

NPS recreation area protecting 70,000 acres of Delaware River gorge — covers river ecology, glacial geology, watershed biology, and riparian habitats.

Alabama state park at Little River Canyon featuring waterfall ecology, forest biology, and stream geology with ranger-led programs.

Iconic igneous rock formation and NPS monument — covers geology, volcanic intrusion, and Native American cultural history with ranger programs.

Federal wildlife refuge on Sanibel Island with wildlife drive and trails — covers shorebird ecology, wetland biology, and conservation biology.