The USA boasts holiday horizons as wide as they come – several million square miles of them.

You could fit Britain like a postage stamp into one corner.

For the visitor from the Old World there’s a touch of Hollywood itself about the vast and varied scenario of this huge land mass, from its high peaks and vast prairies, the cactus deserts and alpine forests, the alligator swamps, great lakes and palm lined beaches, to the glittering neon lit nights of New York and Las Vegas.