1) Brooklyn Heights: Everyone's favorite Girl Lena Dunham dropped $4.8 million on a brand new condo in the neighborhood where she grew up. It cost more than nine times what she paid for her old place, a one-bedroom that was just a few blocks away.
2) Upper East Side: A finance dude and noted Wall Street party animal listed his rather lovely Fifth Avenue home for $6.5 million. French interior designer Jean Louis Deniot created a wonderland of funky light fixtures, fit for displaying any partier's art collection.
3) Upper East Side: The first interior renderings were revealed for 520 Park Avenue, which will be home to the most expensive apartment in New York City. The project is barely under construction, but the future penthouse will list for about $130 million.
4) Upper West Side: The American Museum of Natural History tapped architect Jeanne Gang to design a $325 million expansion. The designs are still being worked out, but unless it's, oh, invisible, the neighbors will not like it.
· Curbed NY [ny.curbed.com]