This story appears in the February 2017 issue of National Geographic ... Florida the higher ocean temperatures have boosted the toxic algae blooms that emptied beaches and hotels last summer.

Daytona Beach is home to 23 beachfront parks, including Ponce Preserve—41 acres stretching from the Atlantic Ocean to the Halifax River and the archeological site of Green Mound State.

Looking back, I could see the green slopes of the Waianae Range rising to 4,000 feet behind the beach ... fund this article. The National Geographic Society and Sky Ocean Ventures have launched ...