EntityQ2968446· pop 8· linked from 48 articlesBlackbeard's CastleSign in to saveNational Historic Landmark in Charlotte Amalie, U.S. Virgin IslandsConnectionsUnited States Virgin IslandsEntityNational Historic LandmarkEntityDenmarkConceptgeographic coordinate systemEntitysea piracyEntityWake IslandEntityCharlotte AmalieEntityBlackbeardEntityNan MadolEntityKwajalein AtollEntitySaint ThomasEntityNational Park ServiceEntityNational Register of Historic PlacesEntityPeleliuEntityChuuk LagoonEntityLa FortalezaEntityOld San Juan Historic DistrictEntityRoi-NamurEntityFort ChristianEntityMary ThomasEntityCategories1679 establishments in North AmericaBlackbeardBuildings and structures completed in 1679Buildings and structures in the United States Virgin IslandsBuildings and structures on the National Register of Historic Places in the United States Virgin IslandsCharlotte Amalie, U.S. Virgin IslandsNational Historic Landmarks in the United States Virgin IslandsNational Register of Historic Places in the United States Virgin IslandsWatchtowers