Which canal or channel, the Houston Ship Channel or the Dismal Swamp Canal,  is part of the Intracoastal Waterway, which parallels the east coast and offers boaters shelter from the Atlantic Ocean from Manasquan Inlet, New Jersey, to Brownsville, Texas?
Houston Ship Channel: The Houston Ship Channel, in Houston, Texas, is part of the Port of Houston, one of the US's busiest seaports. Dismal Swamp Canal: The Dismal Swamp Canal is located along the eastern edge of the Great Dismal Swamp in Virginia and North Carolina in the United States. Dismal Swamp Canal:  It is part of the Intracoastal Waterway, an inland route, which parallels the east coast and offers boaters shelter from the Atlantic Ocean from Manasquan Inlet, New Jersey, to Brownsville, Texas.
The Dismal Swamp Canal