Classified for credit

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

Outdoor railroad museum with 100+ historic locomotives and cars — covers railroad history, steam and diesel engineering, and the role of rail in Western expansion.

Regional museum covering Columbia River Gorge natural and human history — addresses Lewis and Clark exploration, Native cultures, geology, and westward migration.

California Gold Rush–era state historic park with preserved 1850s townsite — covers Manifest Destiny, mining history, and California statehood.

WWII-era aircraft collection with restoration shop — military aviation history and aerospace engineering.

CAF wing displaying WWII-era aircraft — military aviation history, aeronautical engineering basics, and the role of air power in WWII.

Museum focused on the American Revolution and Transcendentalist movement in Concord — primary-source artifacts tie directly to Colonial history and 19th-century literature.

Operational electric streetcar museum with rideable antique trolleys — covers transportation history and early electric traction engineering.

Operating heritage railroad through the White Mountains — railroad history, steam locomotive engineering, and New England regional geography.

NPS site preserving a Tiwa pueblo with kiva murals — covers pre-Columbian Pueblo culture, Spanish colonization, and New Mexico archaeology.

Revolutionary War battlefield where American militia defeated British forces — ranger programs cover 18th-century tactics, strategy, and Southern campaign history.

Revolutionary War battlefield where Morgan defeated Tarleton in 1781 — NPS ranger programs cover tactics, Patriot-British conflict, and Southern Campaign geography.

Ongoing monumental carving honoring Lakota leader Crazy Horse — Native American history, sculpture, and Black Hills geography.

Living-history orchard and farm site depicting early 20th-century Colorado agricultural practices, irrigation, and rural community life.

Living-history village with 30+ restored buildings and a narrow-gauge steam railroad — 19th-century Michigan pioneer life, trades, and early rail technology.

Working historic gold mine near Girdwood, Alaska — covers Gold Rush history, placer mining methods, and the geology of gold-bearing creek beds.

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

Cherokee living-history cultural village in North Carolina covering Eastern Band Cherokee history, language, traditional arts, and pre-contact society.

National park preserving the famous mountain pass used by settlers and Civil War-era troops — covers westward expansion, Appalachian geography, and frontier history.

Living-history village with period structures and demonstrations covering 19th-century pioneer settlement and Dakota Territory heritage.

Restored historic rail yard and car collection in Danbury, CT — covers railroad history, locomotive mechanics, and the role of rail in 19th–20th century American commerce.

Frank Lloyd Wright-designed National Historic Landmark in Buffalo — covers Prairie Style architecture, early 20th-century design history, and Arts & Crafts movement.

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

NPS park at the Wright brothers' Dayton sites — covers early aviation engineering, invention process, and American technological history.