In Defense of the Nations Capital
On forested hills surrounding the nation's capital are the remnants of a complex system of Civil War fortifications. Built by Union forces, these strategic buttresses transformed the young capital into one of the world's most fortified cities.Read More
Did You Know?
The 15-inch Rodman cannon at Fort Foote in Prince George's County, Maryland, weighs about 50,000 lbs (25 tons).