A doorway in Old San Juan located near the intersection of Calle Sol (Sun Street) and Calle Cruz (Cross Street) is decorated in the colors of the Puerto Rican flag. Hamilton/Baltimore Sun) - I'd love to come here one day.
Except Puerto Rico adopted that flag after Captain America and his spangled suit were already in existence. So, you could speculate that the territory at the time was a fan of Captain America. - Visit to grab an amazing super hero shirt now on sale!