Galena, Illinois

With 85 percent of its buildings on the National Register of Historic Places, Galena truly is a place drenched in history.

From the ancient burial mounds crowding the high banks of the Mississippi to the home of President Ulysses S. Grant, the Illinois town's rich past is everywhere on display. Follow Diann Marsh in her dogged pursuit of that fascinating heritage and catch glimpses of unforgettable incidents like the courageous defense put up by a handful of Galena settlers during the Black Hawk War or the monster flood that turned a day in 1892 into a bridge-snapping spectacle. Fortunes are won and lost within the space of a page, but the legacy left by Galena's determined citizens and cared for by passionate guardians like Marsh is one that is sure to endure.