You know the story — you go on vacation or a business trip and your exercise routine goes out the window. Well, it's time to break the cycle! Next time you're in a hotel room, look at it as an opportunity to change up your workout. Bench dips, lunges, squats, and push-ups don't require any special equipment. Many hotels have gyms and pools. If there's only a pool, do your strength-training exercises in the water for some extra resistance. If the hotel doesn't have any exercise facilities, do your homework — search the Internet for a gym nearby that offers day passes