Classified for credit

City nature center with native plant gardens and wildlife habitat areas — covers local ecology, native species identification, and conservation.

Oregon state recreation area along the North Santiam River — supports riparian ecology, Pacific Northwest geography, and outdoor physical education.

Urban wildlife refuge along the Willamette River in Portland — covers wetland bird ecology, riparian habitat, and urban conservation biology.

Portland urban wildlife refuge with wetland trails — migratory bird habitat, urban ecology, and riparian biology.

Visitor center for Oregon's coastal sand dune system — covers aeolian geology, coastal ecology, and dune formation processes.

80-acre botanical garden in the Willamette Valley with themed gardens and native plant collections — supports botany, horticulture, and ecology.

National wildlife refuge protecting Oregon coastal islands — seabird nesting ecology, marine mammals, and Pacific Coast geography.

Arboretum along the historic Oregon Trail corridor — covers native high-desert plant species and connects to westward-migration geography.

OSU-managed arboretum with labeled tree collections and forest ecology trails — dendrology, Pacific Northwest ecology, and botany.

Municipal rose garden featuring hundreds of labeled cultivars — plant taxonomy, horticulture, and pollinator biology in an accessible outdoor setting.

Interactive farm experience with Nigerian dwarf goats — introduces animal husbandry, goat biology, and responsible livestock handling.

High-desert reservoir state park in central Oregon — geology, riparian ecology, and outdoor recreation in a volcanic landscape.

City botanical rhododendron garden with labeled plantings supporting plant taxonomy, horticulture, and Pacific Northwest native plant study.

Columbia River Gorge state park with beach access and riparian habitat — geography of the Columbia Gorge and Pacific Northwest ecology.

Commercial iris and perennial farm open seasonally — supports botany, plant taxonomy, and horticulture curriculum.

Portland's International Rose Test Garden with hundreds of labeled rose cultivars — supports botany, plant breeding, and horticultural science.

Themed garden planted with species mentioned in Shakespeare's works — supports literature-based plant studies and garden ecology.

Coastal estuary refuge supporting shorebirds and salmon — estuary ecology, migratory bird biology, and Pacific coastal geography.

Oregon coast state park with rocky shoreline and tidepools near Port Orford — covers intertidal ecology, marine biology, and Pacific coastal geology.

Urban farm and community garden in Corvallis covering sustainable agriculture, soil science, and plant biology through hands-on growing.

Catholic sanctuary and botanical garden with cliff-top trails and native plant displays in NE Portland.

Urban old-growth forest state natural area in Portland with interpretive trails and staff naturalists — covers Pacific Northwest forest ecology and watershed biology.

Staffed urban nature center with trails and exhibits — covers Pacific Northwest forest ecology, wetlands, and wildlife identification.

Urban nature park with 222 acres of wetlands and forest in Beaverton — local ecology, wetland biology, and Pacific Northwest plant identification.