The U.S. travel industry is on the brink of a major disruption, with forecasts predicting a $64 billion revenue loss by 2025. A projected 5.1% decline in international visitors is expected to hit key travel hubs the hardest, fueled by rising global tensions, tariff wars, and stricter U.S. immigration policies. International travelers—and the global organizations that once favored the U.S. for conventions and events—are showing growing reluctance to return.