This summer, U.S. tourism is being turbocharged by six powerhouse cities—Las Vegas, Boston, Newport, Charleston, Chicago, and Miami—drawing millions with transformative experiences. From coastal elegance to electric nightlife and historic charm, these destinations are redefining travel trends. As hotel rates soar and bookings spike, travelers are seeking more than escapes—they crave meaning, culture, and connection. These cities aren’t just hot spots; they’re shaping the future of summer travel in 2025.