Ports and harbors:
Alexandria (Egypt), Algiers (Algeria), Antwerp (Belgium), Barcelona
(Spain), Buenos Aires (Argentina), Casablanca (Morocco), Colon
(Panama), Copenhagen (Denmark), Dakar (Senegal), Gdansk (Poland),
Hamburg (Germany), Helsinki (Finland), Las Palmas (Canary Islands,
Spain), Le Havre (France), Lisbon (Portugal), London (UK), Marseille
(France), Montevideo (Uruguay), Montreal (Canada), Naples (Italy),
New Orleans (US), New York (US), Oran (Algeria), Oslo (Norway),
Peiraiefs or Piraeus (Greece), Rio de Janeiro (Brazil), Rotterdam
(Netherlands), Saint Petersburg (Russia), Stockholm (Sweden)
Transportation - note:
Kiel Canal and Saint Lawrence Seaway are two important waterways;
significant domestic commercial and recreational use of Intracoastal
Waterway on central and south Atlantic seaboard and Gulf of Mexico
coast of US