Bora Bora and its lagoon, South Pacific, French Polynesia (© Frederick Millett/Shutterstock)

Beyond its postcard views, Bora Bora has a deeper story to tell. Its lagoon reflects how tropical islands evolve over time. Surrounded by shades of turquoise, this island in French Polynesia is home to one of the South Pacific's most celebrated lagoons, where coral reefs, volcanic peaks and ocean life exist side by side.