Southern Military Academy, relic of revolutionary fortification surrounded by 600 lb. solid shot

The 30 lb. Rifled Parrott guns that shelled Charleston from Morris Island, Charleston Harbor

The 30-pounder Parrot rifled guns which shelled Charleston from Morris Island, Charleston Harbor

Bridge at Hampton, Va., burned by the rebels on the arrival of Col. Duryee's 5th Regiment Zouaves at Camp Butler, near Fortress Monroe, Va.

The 15 in. gun at Fortress Monroe, Va. Weight 50,000 lbs, and carries a ball 475 lbs. weight from 4 to 5 miles

The 15 in. gun at Fortress Monroe, Va. Weight 50,000 lbs, and carries a ball 475 lbs. weight from 4 to 5 miles