5 of 15
jpg [200 kB, 750 x 1000]
A ship crossing the entrance to San Juan Bay. From the 1500s to today, all ships entering or exiting the bay must pass in front of the mighty walls of the Castillo San Felipe del Morro. Photo courtesy of the US National Park Service/ Casey Ogden.
Factbook photos—obtained from a variety of sources—are in the public domain and are copyright free.