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Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Fort Halifax, U.S. Route 201, Winslow, Kennebec County, ME

Suggested address, U. S. Rt. 201, is not verifiable in documentation. Unprocessed Field note material exists for this structure: FN-24 Survey number: HABS ME-55 Building/structure dates: 1754 Initial Construc... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns County, FL

Castillo de San Marcos, 1 Castillo Drive, Saint Augustine, St. Johns C...

Significance: The star fort and its moat and outworks were built to protect Spanish territory in Florida from attacks by the English. Castillo de San Marcos is the oldest masonry fort in the continental U.S. ... More