Park City & Deer Valley — Where America's 250th Belongs on Your Clients' Radar. This Fourth of July is not just another holiday weekend. As the nation marks 250 years of independence, Park City and Deer Valley offer travel advisors the rare opportunity to place their clients at the heart of one of the American West's most celebrated summer traditions — elevated. From the beloved Main Street Parade and vibrant community festivities to a drone-lit sky that transforms the mounta