Classified for credit

Rainforest trail in the Ko'olau Mountains — covers Hawaiian ecology, watershed biology, and tropical plant identification.

National Tropical Botanical Garden with guided tours of rare tropical plant collections — covers botany, conservation biology, and Pacific island ecology.

Guided botanical garden on Kauai featuring native Hawaiian plants and sculpture — covers tropical ecology, plant biology, and Hawaiian conservation.

Free municipal zoo within a tropical rainforest setting — introduces Hawaiian native species, rainforest ecology, and conservation biology.

Hawaiian state park on the Hana coast featuring black-sand beach, lava sea caves, and native coastal ecology for geology and biology study.

Federally protected nearshore marine conservation district — supports hands-on marine biology, coral reef ecology, and ocean conservation study via snorkeling.

Hawaiian river state park with kayaking access and lush riparian habitat — supports study of tropical ecology, watershed geography, and native species.

Kauai canyon state park often called the 'Grand Canyon of the Pacific' — volcanic geology, erosion, and Hawaiian ecology.

Historic Hawaiian valley with botanical garden, waterfall, and cultural exhibits covering native Hawaiian ecology, agriculture, and indigenous history.

Living ethnobotanical garden documenting traditional Hawaiian plant use — covers botany, ecology, and indigenous cultural history.

Hawaiian national wildlife refuge complex protecting endemic and migratory species — covers island biogeography, endangered species ecology, and Pacific conservation.

University-managed tropical botanical garden with diverse Hawaiian and Pacific plant collections — supports botany, ecology, and island biogeography study.

Historic Honolulu botanical garden with tropical and native Hawaiian flora — supports plant taxonomy, ethnobotany, and Pacific island ecology.

Maui roadside arboretum along the Hana Highway featuring tropical plant diversity, native Hawaiian species, and waterfall ecology.

High-elevation recreation area on the Saddle Road corridor covering volcanic landscape ecology, native Hawaiian flora, and geography.

Honolulu nature center offering guided hikes and hands-on programs on Hawaiian native ecosystems, watershed ecology, and conservation.

Hawaiian state park protecting a historic fishpond and estuary — covers native Hawaiian aquaculture, wetland ecology, and indigenous land-use practices.

Traditional Japanese garden on Hawaii Island — covers landscape design principles, Pacific cultural history, and native vs. introduced plant species.

Sheltered bay beach park on O'ahu's windward coast — coastal ecology, estuary habitat, and Hawaiian geography in a natural setting.

Remote Big Island rainforest state park with native Hawaiian flora and fauna — supports tropical ecology and conservation studies.

Native Hawaiian rainforest state recreation area on the Big Island — supports study of tropical ecology, native flora and fauna, and Hawaiian land management.

Hawaii state bird sanctuary protecting the endangered Hawaiian stilt and coot — covers island ecology, wetland habitat, and native species conservation.

One of Hawaii's largest freshwater wetlands — supports waterfowl biology, native species conservation, and Hawaiian coastal ecology fieldwork.

USFWS refuge on Maui protecting Hawaiian stilts and other endangered waterbirds — island ecology, migratory bird biology, and federal conservation programs.