Classified for credit

Chickasaw Nation cultural center with exhibits, storytelling, and living-history programs — covers Indigenous governance, language, and Oklahoma history.

Active U.S. Army post and National Historic Landmark with museums covering frontier-era military history, Native American history, and the Indian Wars.

Museum housing Thomas Gilcrease's collection of American West art and Indigenous artifacts — covers U.S. history, westward expansion, and Native American cultures.

Major museum in Oklahoma City covering the history and culture of the American West, cowboys, rodeo, and Native peoples of the Plains.

NPS memorial and museum commemorating the 1995 Oklahoma City bombing — covers domestic terrorism, civic resilience, and modern US history.

State history museum covering Oklahoma's Indigenous nations, land runs, and statehood — extensive primary-source exhibits on Native American and frontier history.

Operating heritage railway museum in Oklahoma City with locomotives and rolling stock — covers railroad history, steam engineering, and westward expansion.

U.S. Army field artillery museum at Fort Sill, OK — covers military history, artillery technology development, and American warfare from the Civil War forward.

Frank Phillips's 1920s working ranch with wildlife preserve, museum, and Native American art — covers Oklahoma history, ranching, and conservation.

Museum dedicated to Western swing pioneer Bob Wills — covers American music history, the origins of country music, and Texas cultural heritage.

Museum dedicated to Cherokee Nation history, culture, and sovereignty — covers Native American history, government, and Trail of Tears.

Museum housed in the original Cherokee Nation Supreme Court building — covers Cherokee legal history, sovereignty, the Trail of Tears, and tribal governance.

Oklahoma museum documenting the 1893 Cherokee Strip Land Run — covers westward expansion, Native American land policy, and territorial settlement history.

Heritage center documenting the 1893 Cherokee Strip Land Run and Oklahoma settlement — westward expansion, land policy, and Plains social history.

Collection of restored classic automobiles spanning automotive history — covers mechanical engineering evolution and 20th-century American industrial history.

Regional museum in southeast Oklahoma covering Native American history, archaeology, and fine art of the Red River valley cultures.

Hall of fame in the historic Tulsa Union Depot covering jazz music history, its African-American origins, and Oklahoma's role in the genre's development.

State museum dedicated to Route 66 in Oklahoma — covers 20th-century transportation history, American road culture, and economic geography.

Oklahoma museum honoring women of the pioneer era — covers westward expansion, homesteading, and women's roles in frontier society.

County museum covering Pottawatomie County and Shawnee history including Native American heritage and Oklahoma settlement.

Cultural organization preserving Native American heritage through art and festivals — covers Indigenous history and social studies.

Railroad museum in Denison, TX documenting the Red River region's rail heritage — covers railroad expansion, regional economic history, and transportation geography.

Regional museum covering Red River Valley history, Native cultures, and frontier settlement — primary-source local and Western history.

Route 66 antique automobile collection in Oklahoma — covers transportation history and mid-20th-century American road culture.