This historical 1927 Neo-Gothic building houses the hottest hotel in downtown Dallas. Not only does it have a modern cantilevered rooftop pool and a $20 million–plus art collection (including works by Andy Warhol and Richard Phillips), it also is home to foodie hangouts CBD Provisions and Americano. Its 161 rooms and suites are equipped with custom-made furniture that's sleek without being austere. The Joule recently emerged from a $78 million renovation by Adam D. Tihany that added rooms, an 8,000-square-foot ESPA spa, and a craft cocktail lounge in an old vault that once housed the Dallas National Bank's reserves. If you want to elevate your stay, book one of the four unique penthouses.