The U.S. Caribbean is shaped by water before it is shaped by roads. Tropical forest rises behind coast. Reefs and bays extend the landscape underwater. Dry forest can lie surprisingly close to wetter mountain country. Islands, forts, beaches, mangroves, historic ports, cultural landscapes, and hurricane-shaped environments make distance across the Caribbean fundamentally different from distance on the mainland. William Stanek's Puerto Rico & the U.S. Caribbean approaches the region as a network of island travel worlds rather than a single tropical itinerary. The guide brings together landscape, history, weather, water, heat, ferry and crossing logic, walking, photography, cultural respect, and the practical consequences of traveling where the sea is part of nearly every horizon. For families, couples, solo travelers, photographers, walkers, history-minded readers, and island travelers, this is a guide to seeing the U.S. Caribbean as a living region rather than a collection of postcard destinations.