[WATCH] Engineer Explains the Leaning Tower of New York City

This $300 million skyscraper, intended as a luxury residential building, became one of New York City's biggest construction failures due to a lean of a few centimeters. Today, the tower remains unfinished, a "monument to high stakes real estate gone wrong". Fixing the foundation would be extremely costly, selling the property is difficult, and demolition would be an admission of complete defeat.

[WATCH] How it Became Manhattan: Central Park, Explained

I'm in Central Park right now and I'm sitting next to this little rod that pretty much nobody seems to even notice. It's really small in the ground, but it is a piece of History. This is one of the only remaining ones of thousands that used to exist that represent a New York that could have been a New York where buildings filled where Central Park is today. In this lesson I'm going to tell you everything you should know about Central Park.