Just south of Elizabeth City, North Carolina, an impressive structure rises from the shores of the Pasquotank River. The large, silvery dome measures 20 stories tall and nearly a thousand feet wide. While it might look like a futuristic laboratory, this building is actually one of the few remaining structures that were built during World War II to manufacture, house, and service the U.S Navy’s blimps. Yes, you read that right. Though fighter planes and aircraft-carrying ships tend to get more attention, blimps became a big part of the United…