I went to the largest maritime gathering in US history, featuring ships from 20 countries, for America's 250th birthday. Here's what I saw.

Source: Business Insider

The largest maritime gathering in US history featured ships from 20 countries. Ryan Hiscott/Getty Images ; Talia Lakritz/Business InsiderShips from 20 countries visited New York City in celebration of America's 250th birthday. I toured ships from the Dominican Republic, Ecuador, Poland, Argentina, Sweden, Uruguay, and Italy.