This document provides an overview of several New York City art museums - the Metropolitan Museum of Art, the Guggenheim Museum, and the Museum of Modern Art (MoMA) - and the annual Museum Mile festival. It discusses the origins and collections of the Metropolitan Museum and Guggenheim Museum, as well as MoMA's focus on modern and contemporary art. The summary also mentions the Museum Mile festival is held annually in June along 5th Avenue to celebrate the museums.