"The Riviera Maya’s most beautifully styled adventure park begins with a reception area inside a natural cave. Tours here include Latin America’s highest zip lines over the tropical forest, amphibious vehicles you drive through caves and jungles, and swimming and rafting through underground rivers. Though Xplor is a family-friendly attraction, it may be better suited to teens and adults because of the physical activity required. If you don’t have all day, book Xplor Fuego, the nighttime admission: Temperatures are cooler, torchlight adds an exotic touch, and you soar over the trees by moonlight."