Classified for credit

Large hands-on children's museum with interactive exhibits on literacy, math, and science — designed for play-based early learning across core elementary subjects.

Nation's largest collection of historic locomotives and rail equipment — covers railroad history, industrial development, and steam-era engineering.

NPS site with a working roundhouse and restored steam locomotives — covers railroad history, steam-engine mechanics, and industrial-era social history.

Pittsburgh Zoo operated by the Zoological Society — covers animal biology, global ecosystems, and wildlife conservation across a large multi-biome collection.

Large transportation history museum with antique and vintage vehicles — mechanical engineering, transportation technology, and American industrial history.

Living-history farm in Lancaster County demonstrating Amish agricultural and domestic practices — covers plain-community history, religious heritage, and rural economics.

America's oldest living botanical garden, established 1728 — covers native plant ecology, colonial-era botany, and naturalist history.

Wooded hill on the Gettysburg battlefield where Union forces anchored the left flank on July 2, 1863 — supports tactical Civil War history and terrain-based geography.

Art museum specializing in Wyeth family paintings and American illustration — supports visual art history and 20th-century American artistic tradition.

Key Union defensive position on the Gettysburg battlefield — covers Civil War tactics, the Battle of Gettysburg, and its strategic significance.

Certified dark-sky state park with minimal light pollution — supports astronomy, light science, and observational math.

Designated dark-sky astronomy observation field in a state park — one of the best naked-eye and telescope viewing sites in the eastern U.S. for observational astronomy.

Immersive living-history experience presenting the Battle of Gettysburg from a child's perspective — Civil War history and civilian life.

Accredited reptile zoo with live specimens and educator-led programs — covers herpetology, animal adaptation, and conservation biology.

Heritage railroad operating 19th-century passenger cars through Pennsylvania countryside — railroad history, steam/diesel engineering, and industrial-era social history.

Restored 19th-century Pennsylvania farmstead with living-history demonstrations — covers colonial-era agriculture, animal husbandry, and daily settler life.

Pennsylvania Grand Canyon rim-access state park with hiking and forest ecology — covers glacial geology, forest ecosystems, and Appalachian geography.

Interactive Crayola experience center — covers color chemistry, manufacturing processes, and creative arts through hands-on making stations.

Walk-through WWII-era submarine and Spanish-American War cruiser at Independence Seaport Museum — covers naval history, marine engineering, and military technology.

Commercially operated limestone cave with guided tours — covers speleology, cave formation, mineralogy, and karst geology.

Hands-on science center in Allentown covering physics, engineering, biology, and technology through interactive exhibits and programs.

Home where Lincoln stayed the night before the Gettysburg Address — primary-source Civil War history and the origins of a pivotal presidential speech.

National recreation area spanning the Delaware River corridor — river ecology, watershed biology, and Appalachian geography with ranger programs.

National Recreation Area along the Delaware River — river ecology, watershed science, and Appalachian geography with NPS ranger programs.