Catch a ferry from the Massachusetts coast in New England, and 40 minutes later you will find yourself transported to the magical world of Martha's Vineyard.
Sydney isn't the capital of Australia-orderly Canberra takes that title, but try telling that to Sydneysiders. They'll insist that it's the nexus of Australian style, fashion, media, lifestyle and commerce. And they may as well be right.
Literally speaking, Buenos Aires could be South America's most vibrant city because the ancient underground, rumbling buses and ageing commuter trains are its literal movers and shakers.