Choose a short mystery, look closely, reveal the evidence, and print an adventure for home, school, or a responsible visit.
Play without an account, name, photo, or location
Completed missions stay only in this browser. MCHS receives no progress or personal information. A mapped place is not proof of public access: confirm hours, permission, safety, and property boundaries before traveling.
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Ages 6–9 · 5 minutes · short answer
The county birthday mystery
Question: Which year is Mercer County's documented birthday: 1776, 1837, or 1957?
Look for: the difference between when a county formed and when an organization began.
Reveal the evidence
Short answer: 1837. Mercer County was formed from parts of Giles and Tazewell counties. MCHS was established later, in 1957.
Question: What can a photograph show directly, and what still needs another source?
Look for: clothing, signs, objects, buildings, damage, weather, and who may be outside the frame. Write three observations before making one inference.
Reveal the method
Short answer: A photograph is evidence, not a complete explanation. Separate visible details from guesses, then compare a caption, map, directory, newspaper, or another image.
Short answer: Places change, and maps were made at different times and for different purposes. A changed label is a clue—not proof that a community disappeared.
Question: What history can a travel directory reveal beyond a building's address?
Look for: evidence of Black travel, lodging, enterprise, community networks, and the restrictions that made the directory necessary.
Reveal the evidence
Short answer: Green Book records can connect places to Black mobility and business during segregation. Interpret the people, systems, and community—not only the surviving structure.
Question: What can a streetscape suggest about coal, rail transportation, labor, and investment?
Look for: building size and materials, the depot and rail corridor, commercial blocks, terrain, and distances between work, travel, and home.
Reveal the method
Short answer: Built features can suggest relationships, but they do not tell every worker's experience. Compare observations with National Register records, maps, newspapers, and community accounts.
Question: Does a historic listing, photograph, or map coordinate give permission to enter?
Look for: current visitor information, ownership, signs, barriers, safe public viewpoints, and accessible alternatives.
Reveal the evidence
Short answer: No. Historical significance and current access are separate. Never enter mines, abandoned structures, railroad property, or restricted land.