Classified for credit

Coastal cliff-top observatory with telescopes and interpretive displays — Pacific Ocean meteorology, marine navigation, and Oregon coastal geography.

University of Richmond gallery displaying gems, minerals, shells, and natural specimens — supports mineralogy, taxonomy, and earth science study.

Hands-on children's discovery center focused on Kern County natural history, local ecology, and basic earth science.

PEEC-operated nature center in Los Alamos covering Pajarito Plateau ecology and regional geology near the national laboratory complex.

Campus planetarium at Lourdes University offering sky shows — covers astronomy, celestial mechanics, and observational science.

U.S. Army Corps of Engineers museum on the Lower Mississippi — covers river engineering, hydrology, flood control, and Civil War naval history.

LSU research natural-history museum with vertebrate and invertebrate specimen collections — covers taxonomy, biodiversity, and zoological science.

Public observatory in Maiden, NC offering telescope viewing and astronomy programming — supports astronomy, optics, and physics curriculum.

Small Honolulu museum focused on coral and marine life specimens — covers coral reef biology, marine ecosystems, and Pacific Ocean ecology.

College-operated planetarium offering public sky programs — covers astronomy, celestial mechanics, and the scientific method through live and recorded dome presentations.

Working alpaca farm offering guided tours — fiber-animal husbandry, wool production process, and mammal biology.

Campus planetarium with dome presentations — covers astronomy, Earth's place in the solar system, and celestial navigation.

Amateur astronomy society observatory with public viewing nights — covers telescope optics, celestial mechanics, and observational astronomy.

University student observatory with public viewing nights — astronomy, optics, and telescope operation.

College of Charleston natural history museum with fossil and specimen collections — supports paleontology, geology, and vertebrate biology curriculum.

Museum dedicated to Mack Truck manufacturing history in Allentown — covers mechanical engineering, industrial manufacturing, and American trucking's role in commerce.

Hands-on STEM enrichment program delivering structured science experiments in chemistry, physics, and engineering for school-age children.

Public observatory near Fort Collins — covers optical astronomy, telescope mechanics, and celestial observation with guided viewing sessions.

Small college-affiliated planetarium in Connecticut offering sky programs — covers astronomy, celestial mechanics, and the solar system.

Lakes Environmental Association science center focused on freshwater lake monitoring — covers limnology, water chemistry, and citizen-science data collection.

Museum in Rockland, ME housing the largest collection of lighthouse artifacts in the U.S. — covers Fresnel lens optics, lighthouse engineering, and maritime navigation history.

Mill museum in a historic Lewiston textile mill complex — covers industrial machinery, textile manufacturing processes, and New England mill-town labor history.

Museum dedicated to undersea technology and saturation diving history — covers marine engineering, pressure physics, and ocean exploration.

Waterfront center dedicated to manatee observation and conservation education — marine biology, ecology, and endangered-species study.