The ultra-luxury real estate market in the U.S. continues to dominate as deep-pocketed home buyers in cities across the country press on with forking over record prices for trophy residences. According to a new report from Knight Frank, the number of homes that sold for $10 million or more soared to new heights in the second quarter of 2024. More specifically, Palm Beach, Florida, noted a hefty 44 percent uptick in sales over $10 million, while Miami recorded a 27 percent spike.