The Castillo San Felipe del Morro from a cruise ship entering the San Juan Bay in San Juan, Puerto Rico on Monday, December 14, 2015. The fortress, built in the sixteenth century, stands approximately six stories high and features 65 foot (19.812 meters) high walls that are 18 feet (5.486 meters) thick and loom 150 feet (45.720 meters) above the Atlantic Ocean. RON SACHS/CNP/PI
