Classified for credit

Historic arboretum in Montgomery County with labeled tree collections — dendrology, plant taxonomy, and Pennsylvania native and introduced species.

Hands-on children's discovery garden in Blair County — covers plant biology, sensory botany, and outdoor nature exploration.

Working deer ranch offering close-up observation of white-tailed deer — applied zoology, animal behavior, and Pennsylvania wildlife ecology.

Lakeside bird observatory on Presque Isle Peninsula — migratory bird monitoring, ornithology, and ecological field observation along the Lake Erie flyway.

Federal wildlife refuge with wetland and forest habitats supporting migratory waterfowl — covers bird biology, wetland ecology, and conservation.

State park with trails, creek, and meadow habitat near Philadelphia — ecology, field biology, and outdoor physical education in a developed park setting.

Small rural animal park with farm animals and wildlife species, supporting basic zoology and animal-husbandry observation.

Private nature preserve in the Pocono Mountains with trails covering eastern Pennsylvania forest ecology, native species, and conservation.

Pennsylvania state park on a Revolutionary War encampment site — covers Mid-Atlantic forest ecology, trail-based PE, and local military history.

Hawk Watch International counting station in a state park — covers raptor migration, ornithology, and population ecology with seasonal ranger programs.

Pennsylvania state park with diverse habitats — forest ecology, wildlife biology, orienteering, and watershed study.

Nature center on Wildwood Lake in Harrisburg with wetland trails — covers freshwater ecology, bird identification, and riparian habitat study.

PA state park with a large reservoir and forested trails — supports freshwater ecology, watershed science, and outdoor PE.

Community botanical garden and historic homestead in Edinboro, PA — supports horticulture, plant ecology, and regional natural history.

College-affiliated arboretum in Bath, PA — covers native tree identification, plant taxonomy, and temperate-forest ecology on a self-guided or docent-led walk.

Hands-on petting zoo and animal farm introducing domestic and farm animal biology, animal husbandry, and life-science basics.

Pittsburgh-area nature center with trails and wildlife habitat exhibits — supports local ecology, plant and animal identification, and outdoor science.

University-affiliated botanic garden with labeled plant collections — supports plant taxonomy, ecology, and seasonal biology study.

Pocono Mountains nature center with trails and wildlife programming — covers regional ecology, forest biology, and field observation.

PA state park on Pine Creek with forest trails and gorge geology — ecology, watershed science, and physical education in a developed outdoor setting.

Bucks County nature center with trails and environmental education programs — local ecology, watershed biology, and naturalist skills.

Formal Italian water garden within Longwood Gardens — covers aquatic plant biology, landscape design history, and horticultural science.

Local nature center with trails and interpretive programs — covers regional ecology, wildlife identification, and environmental science.

Native plant arboretum focused on mid-Atlantic woodland species — supports botany, plant identification, and ecosystem studies through self-guided trails.