The New York metropolis that we know today was grown and developed between the 19th and 20th centuries. This significant era in the city's history saw the union of the five boroughs, the opening of the subway, the Spanish flu epidemic, and the construction of some of the most famous skyscrapers in the world.
Luckily, it was during this period that photography was becoming widespread and many extraordinary moments in the city's development were captured. In this gallery, let's take a look at some rare photos of New York City in its adolescence. Click on!