Classified for credit

Large hands-on science center in Phoenix with planetarium and exhibits covering physics, life science, and technology.

Original closed-system Earth science research facility with guided tours covering ecology, atmospheric science, biomes, and systems biology.

Living cave with guided tours through calcite speleothems — covers cave geology, speleothem formation, and karst hydrology.

Best-preserved meteorite impact crater on Earth with visitor center and museum — covers planetary geology, impact physics, and astrogeology.

Observatory at Meteor Crater (Barringer Crater) — impact-crater geology, astronomy, and planetary science.

Visitor center at the best-preserved meteorite impact crater in the world — covers planetary geology, impact physics, asteroid science, and crater formation.

Large inland aquarium in Scottsdale with 2 million gallons of exhibits — marine biology, aquatic ecosystems, and animal behavior.

National park containing one of the world's largest concentrations of petrified wood — covers paleontology, geology, and ancient ecosystem reconstruction.

Only deactivated Titan II ICBM site open to the public — covers nuclear deterrence, aerospace engineering, and Cold War history with silo tours.

Natural history museum with dinosaur fossils, paleontology exhibits, and Southwest geology — covers earth science, prehistoric life, and regional archaeology.

Natural history museum parking lot entry point — the museum itself covers paleontology, geology, and Southwestern Indigenous archaeology.

Indoor aquarium in Tempe with touch pools and marine exhibits — covers marine biology, ocean ecosystems, and aquatic adaptations.

Public astronomy center adjacent to Lowell Observatory — covers optical telescopes, celestial mechanics, and the history of planetary science.

Indoor butterfly conservatory with live emergence chamber — entomology, metamorphosis, and tropical plant-pollinator relationships.

Petrified wood field within Petrified Forest National Park — covers fossilization processes, Late Triassic geology, and paleontology of the Colorado Plateau.

Giant-screen dome theater inside the Arizona Science Center — covers astronomy, earth science, and physics through immersive film programming.

Smithsonian-affiliated research observatory offering public tours covering astrophysics, telescope technology, and observational astronomy.

University-based science center and full-dome planetarium with interactive exhibits — covers astronomy, physics, and earth science through hands-on displays and live shows.

SAO/CfA research observatory on Mt. Hopkins with public tours — covers optical telescope engineering, astrophysics research methods, and atmospheric optics.

Open-deck observatory at Lowell — public night-sky telescope viewing and astronomy education.

World's largest firefighting equipment museum — covers fire suppression technology, engineering history, and public-safety science through 130+ vehicles.

Full-dome planetarium at Yavapai College — covers solar system mechanics, star identification, and light/optics for all ages.

National observatory on Kitt Peak with public tours of working research telescopes — astrophysics, optics, and observational astronomy.

National observatory visitor center with daytime and nighttime telescope programs — covers astronomy, optics, astrophysics, and the science of light.