Discover Los Haitises's natural wonders followed by a leisurely afternoon at an eco lodge on this day trip from La Romana. Explore the national park's mangrove swamps and numerous canals by boat, keeping an eye out for river shrimp, carp and manatees. Then wander its petroglyph-covered caverns, learning about the indigenous Taíno people who once inhabited the area. Search for agave plants and orchids on a rainforest hike. A buffet lunch is also included.