The closest landmark is also the most famous: Fort Independence, ranked #1,689 of 8,764 worldwide, 9 km south-east of the city centre.
Every one of them stands in United States — the country page shows the full national picture.
🇺🇸 United States
7 castles, fortresses, palaces and ruins within 100 km of the city centre — every one on the interactive map, with photos, distances and directions.
The closest landmark is also the most famous: Fort Independence, ranked #1,689 of 8,764 worldwide, 9 km south-east of the city centre.
Every one of them stands in United States — the country page shows the full national picture.
9 km south-east · Fortress
Fort Independence is a granite bastion fort that provided harbor defenses for Boston, Massachusetts, located on Castle Island.
16 km east · Fortress
Fort Warren is a historic fort on the 28-acre Georges Island at the entrance to Boston Harbor.
16 km north-east · Fortress
The Lynn Armory is a historic armory building at 36 South Common Street in Lynn, Massachusetts.
41 km north-east · Palace & château
Hammond Castle is located on the Atlantic coast in the Magnolia area of Gloucester, Massachusetts.
85 km north · Fortress
Fort McClary is a former defensive fortification of the United States military located along the southern coast at Kittery Point, Maine at the mouth…
84 km north-east · Ruin
Fort William and Mary was a colonial-era British fortress on the island of New Castle, at the mouth of the Piscataqua River in the Province of New…
68 km south-west · Fortress
The Cranston Street Armory is an historic building in the Broadway–Armory Historic District of Providence, Rhode Island.
Distances are straight-line from the city centre. City coordinates and population: Wikidata Q49111.
The Castlemap atlas maps 7 landmarks (5 fortresses · 1 palace & château · 1 ruin) within 100 km of the centre of Cambridge (United States), measured straight-line — a curated selection of well-documented landmarks, not a count of every fortification ever built.
Fort Independence, a fortress 9 km south-east of the city centre.
See also medieval castles · all rankings · castles by country.