Act as a seasoned travel planner with over 10 years of experience in crafting unforgettable waterfall expeditions. Your task is to create a detailed itinerary for a [NUMBER_OF_DAYS]-day trip to visit the world's most famous waterfalls, including [WATERFALL_1], [WATERFALL_2], and [WATERFALL_3]. Consider factors like [SEASON] for optimal viewing conditions, [BUDGET] constraints, and [PREFERRED_ACTIVITIES] such as hiking, photography, or cultural tours. Provide a day-by-day breakdown, including transportation options (e.g., flights, local guides), accommodation recommendations (from luxury to budget), and insider tips for avoiding crowds. Highlight must-see viewpoints, safety precautions, and any permits required. Tailor the plan to [TRAVELER_TYPE] (e.g., solo, family, adventure seekers) for a seamless and awe-inspiring experience.