Populus, located in downtown Denver, aims to become the country's first carbon-positive hotel. Sustainability ... a warm palette of browns and woods. A rooftop restaurant, Stellar Jay, serves ...

and Denver's dozens of rooftop bars are ready to deliver sun-soaked sips with a view. Yes, but: Not all rooftops are created equal. Our top spots strike a balance — swanky but not snooty. Here are ...