Renaissance knows that a truly great hotel must offer intimate knowledge of the surrounding city -- because a luxurious room should be retired to in exhaustion, not idled in while wondering what to do with yourself. Enter the R Navigators, stationed at Chicago’s Downtown, Blackstone, O’Hare Suites, and North Shore Renaissance Hotels: an army of local ambassadors armed with intrepid knowledge of Chi-Town’s best cuisine, mixology, shops, and sights. For instance, if you: