The culmination of the Museum of the City of New York exhibit, New York at Its Core is the Future City Lab which asks visitors to engage in the city's future.
Occasionally, while walking in Paris one gets a glimpse of the courtyards that lie behind the uniform facades and intimidating doors that define the streets of the city. Reid Hall, located just by the Luxembourg Gardens, is an example of a private courtyard with a mixed industrial and aristocratic history. And, because it's a school - you can visit!