Classified for credit

Zoo and botanical garden combined into a living museum of the Sonoran Desert — regional ecology, desert adaptation, herpetology, and conservation biology.

Major botanical garden specializing in Sonoran Desert flora — plant adaptations, desert ecology, and ethnobotany with labeled specimens throughout.

One of the world's great geologic wonders — covers erosion, stratigraphy, river systems, and ecology across 277 miles of canyon.

Iconic Colorado River meander incised 1,000 feet into Navajo sandstone — supports geology, erosion, and river geomorphology in a dramatic landscape setting.

AZA-accredited zoo with 3,000+ animals and conservation programs covering wildlife biology, endangered species, and ecosystems.

Large metropolitan zoo with 3,000+ animals and conservation programs — covers zoology, animal biology, and global habitat geography.

Large private zoo and aquarium with 600+ species — vertebrate zoology, conservation biology, and animal adaptation across diverse taxa.

Drive-through and walk-through wildlife park near Route 66 — covers North American fauna, conservation biology, and animal behavior.

Arizona's oldest arboretum with Sonoran Desert and riparian plant collections — covers desert botany, plant adaptation, and arid-land ecology.

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

Large desert botanical garden with 50,000+ plants representing Sonoran and global desert ecosystems — covers desert plant adaptations, ecology, and ethnobotany.

Largest NWR in the contiguous US covering Mojave Desert habitat — supports desert ecology, wildlife biology, and Great Basin geography.

National recreation area centered on Lake Powell and Glen Canyon — covers Colorado River hydrology, desert geology, and water resource management.

Only tribally owned and operated zoo in the US — wildlife biology, conservation, and Navajo Nation cultural context.

Sonoran Desert national monument with rare organ pipe cactus habitat — covers desert ecology, geology, and Sonoran biodiversity.

Wildlife park featuring large predators and exotic animals in open habitats — covers animal biology, behavior, and conservation.

Sonoran Desert state park with a volcanic plug peak and Civil War battle site — covers desert ecology, geology, and Arizona territorial history.

1.25-million-acre national forest covering diverse Arizona ecosystems — supports field study of conifer ecology, geology, and elevation-driven climate zones.

Natural sandstone arch monument sacred to Navajo Nation — covers geology, erosion processes, and Native American cultural geography.

Nature Conservancy preserve in the Huachuca Mountains — exceptional hummingbird diversity and riparian ecology make it a strong field site for ornithology and conservation biology.

AZA-accredited zoo with strong conservation programs covering animal biology, Sonoran Desert species, and global wildlife preservation.

National park protecting the Sonoran Desert's giant saguaro cactus ecosystem — covers desert ecology, plant adaptations, and Sonoran geography.

Sedona's red rock canyon park with trails through sandstone formations — geology, erosion, and high-desert ecology of Arizona's Colorado Plateau.

Wolf and wolf-dog sanctuary in central Arizona — wolf behavior, ecology, and wildlife conservation education with guided tours.