Florida Keys Drive The 113-mile (181-kilometer) drive on Highway 1 from mainland Florida to Key West induces sensory overload with tidal flats and teal waters dotted by distant islands.

Video: Key West The southernmost point in the continental United States is a laid-back haven for fans of sunsets, Ernest Hemingway, and alternative lifestyles.

Video: Gulf & Caribbean The mix of moonlight, tide, and temperature triggers an extraordinary explosion of life in these waters where divers can witness the reproduction of corals and nurse sharks.