Classified for credit

NASA's official visitor center adjacent to Johnson Space Center — covers spaceflight engineering, mission history, astronaut training, and aerospace science.

Large free science center in St. Louis with hands-on exhibits spanning physics, engineering, technology, and life sciences.

National monument on Liberty Island — covers immigration history, American civic ideals, and 19th-century engineering of a major landmark.

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

Major public aquarium inside California Academy of Sciences — marine biology, coral reef ecology, and aquatic adaptations with live specimens.

Large aerospace museum near Omaha housing Cold War-era aircraft and missiles — covers aviation engineering, aerodynamics, and the history of strategic air power.

National museum of play with exhibits on toys, games, and the history of childhood — supports literacy, social studies, and child-development units.

Major freshwater and ocean aquarium on the Tennessee River — fish biology, river ecosystems, and marine conservation with live animal exhibits.

1836 Texas Revolution mission-fortress with exhibits on the battle, Texas independence, and Spanish colonial history.

One of the world's largest children's museums with hands-on exhibits spanning science, history, and literacy — broad cross-curricular engagement for elementary-age learners.

World-class natural-history museum with fossil halls, gem collection, ancient Egypt exhibits, and living specimens — evolutionary biology, geology, and anthropology.

Large urban aquarium with coral reef, shark, and wetlands exhibits — marine biology, aquatic ecosystems, and Florida coastal conservation.

High Desert Museum near Bend, OR combines live wildlife, Native American cultural history, and desert ecology exhibits for interdisciplinary natural and cultural study.

World-class encyclopedic art museum spanning 5,000 years of human civilization — supports art history, world history, and cultural geography across all grade levels.

AZA-accredited zoo with over 750 species and conservation programs — applied zoology, ecology, and wildlife biology across diverse animal exhibits.

Sixth-floor museum in the former Texas School Book Depository documenting the Kennedy assassination — 20th-century political history and primary-source analysis.

National park preserving North Dakota badlands and Theodore Roosevelt's ranches — covers geology, prairie ecology, and conservation history.

National park preserving North Dakota badlands with bison herds — covers prairie ecology, geology, and Theodore Roosevelt's conservation legacy.

NPS site preserving Edison's laboratory and invention factory — electricity, phonograph and film technology, and the history of systematic invention.

Major encyclopedic art museum with collections spanning antiquity to the present — supports art history, world history, and visual-art curriculum.

NASA-affiliated visitor center with rockets, space shuttle mock-up, and Space Camp programs — covers aerospace engineering, physics, and US space history.

Preserved WWII aircraft carrier with 30+ restored aircraft and naval exhibits — covers Pacific theater history, military aviation, and naval engineering.

WWII aircraft carrier open for tours alongside a destroyer and submarine — covers naval history, military technology, and mid-20th-century U.S. history.

Civil War siege battlefield with visitor center and ranger-led programs — covers military strategy, the Vicksburg Campaign, and the war's turning point in the Western Theater.