What city did Daniel Boone found near the junction of the U.S. states of Kentucky, Virginia, and Tennessee? 
Daniel Boone:  There, he founded the village of Boonesborough, Kentucky, one of the first American settlements west of the Appalachians. Cumberland Gap: The Cumberland Gap is a narrow pass through the long ridge of the Cumberland Mountains, within the Appalachian Mountains, near the junction of the U.S. states of Kentucky, Virginia, and Tennessee.
Boonesborough, Kentucky