Louisiana is losing its coast at a rapid rate because of rising sea levels, development and sinking marshland. Officials are trying to rebuild those marshes and the wetlands, but much of the coast can't be saved. This makes Louisiana's history an unwitting victim. As land disappears and the water creeps inland, ancient archaeology sites are washing away, too....

This ancient Native American site [a Lemon Tree stand in in Plaquemines Parish, La.] is an important archaeological find. It's one of many historic sites being forever lost to the Gulf as rising seas and saltwater intrusion eat away at Louisiana's fragile marshes. Two sites like this are lost each year.