In the heart of Manhattan, just south of Central Park, stands a $2 billion engineering masterpiece that defies logic — the world’s thinnest skyscraper, and now, its loneliest.

Ever look up and notice the thousands of water tanks all across the New York City skyline? How do these massive water containers get on top of so many building rooftops? And how are they assembled? Here's a look at how the construction process takes shape from New Jersey to Tribeca.

Just off the coast of Staten Island lies a forgotten island that once played a surprising role in global history. Shooters Island started as a Revolutionary War spy base and evolved into a powerful shipyard, launching vessels for the U.S. military and even crafting a royal yacht for Germany’s Kaiser Wilhelm II. In this episode, we explore how this overlooked patch of land helped build warships, hosted presidents and royalty, and then disappeared into obscurity. Today, it’s off-limits, overgrown, and littered with the remains of a once-glorious past.