Joining a group tour at the beginning of the week offers a number of advantages: learning a lot about your destination, new acquaintances and increasing your comfort level among them. Business travelers get better results from hosting brainstorming sessions than giving presentations now. Shopping around: for lodgings, souvenirs, even dining options: is a great idea on wednesday and thursday. Looking is at least half the fun. From friday through the weekend, the world's your oyster. Savor all the aspects of your journey with heightened awareness, and you might just find that pearl.