Forts in United States
Travelers are voting Fort Vancouver National Historic Site, Sutter's Fort and Castillo de San Cristobal as the best of 61 forts in United States. Also popular are Fort Point National Historical site in San Francisco, El Morro in Puerto Rico and Fort Griswold in Mystic. Want more? Check out our map of forts in United States or these 12 forts in New York City.