Over millennia, the Mississippi River carried layers of sediment downstream to form a vast delta, with swamps, bayous and natural levees. Much of this region became Louisiana, home to a unique American culture. There, Spanish, French and African-American food, music and language combined to create a distinctive way of life.
For six weeks, luna moth caterpillars gorge themselves on the leaves of the marula tree. Then, when they're ready, they instinctively weave giant cocoons around themselves in preparation for their stunning metamorphosis.