Tongabezi co-founder Ben Parker is one of Zambia’s sustainable-travel pioneers. When he built this lodge on the Zambezi River in 1990, luxury bush lodging didn’t exist yet, but he nailed a perfect balance of ecosensitivity (wood decks in sustainable pine) and refined comfort (claw-foot tubs with river views). When employees requested a school for their children, Parker’s wife, Vanessa, built the Tongabezi Trust School on neighboring land. Completely funded by donations, the school, known as Tujatane, has grown from 15 to 250 students in 19 years. Guests can donate supplies, sponsor a year’s worth of lunches, or pay for a student’s education. From $618, all inclusive.