<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;List_of_megaprojects#North_America" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;List_of_megaprojects#North_Ame...</a> suggests: CityCenter in Las Vegas, Brickell Key in Miami, and Battery Park City in NYC as recently completed megaprojects in the US. (The last has been in development for a long time.)<p>It also lists the Hudson Yards Redevelopment Project as an on-going $20 billion megaproject, which broke ground in December 2012 and appears to be doing well. It&#x27;s the largest real estate development in U.S. history.