Fortifications built by the United Kingdom
ALASKA (U.S.A.)
ALBERTA (U.S.A.)
ALDERNEY (AURIGNY)
BAHAMAS
BERMUDA
BRISBANE (Australia)
BRITISH COLUMBIA (Canada)
CHANNEL ISLANDS
CHATHAM
CONNECTICUT (U.S.A.)
DEAL
DELAWARE (U.S.A.)
DOVER
FALMOUTH
FELIXSTOWE
FLORIDA (U.S.A.)
GEORGIA (U.S.A.)
GIBRALTAR
GUERNSEY
IDAHO (U.S.A.)
JERSEY
KENTUCKY (U.S.A.)
LITTLEHAMPTON
LIVERPOOL
MAINE (U.S.A.)
MALTA
MANITOBA (Canada)
MARTELLO TOWERS in U.K.
MARYLAND (U.S.A.)
MASSACHUSETTS (U.S.A.)
MICHIGAN (U.S.A.)
MINNESOTA (U.S.A.)
NEW BRUNSWICK (Canada)
NEW HAMPSHIRE (U.S.A.)
NEW JERSEY (U.S.A.)
NEW YORK (U.S.A.)
NEWCASTLE (Australia)
NEWFOUNDLAND (Canada)
NEWHAVEN
NORTH CAROLINA (U.S.A.)
NOVA SCOTIA (Canada)
NUNAVUT (Canada)
NW TERRITORIES (Canada)
ONTARIO (Canada)
OREGON (U.S.A.)
PEMBROKE
PENNSYLVANIA (U.S.A.)
PLYMOUTH
PORT LOUIS
PORTLAND
PORTSMOUTH
PRINCE EDWARD ISLAND (Canada)
PUERTO RICO (U.S.A.)
QUEBEC (Canada)
RHODE ISLAND (U.S.A.)
RYE
SAINT GEORGE
SASKATCHEWAN (Canada)
SCOTLAND
SHETLANDS
SHOREHAM
SINGAPORE (Malaysia)
SOUTH CAROLINA (U.S.A.)
SYDNEY (Australia)
TENNESSEE (U.S.A.)
TOWNSVILLE (Australia)
VERMONT (U.S.A.)
VICTORIA (Australia)
VIRGINIA (U.S.A.)
WALMER
WASHINGTON (U.S.A.)
WEST VIRGINIA (U.S.A.)
WEYMOUTH
YUKON (Canada)