Put together by the incomparable Wendy Goodman, NYMag works with the theme, "The Secret City," and sets out to find those hidden gems that make your jaw drop when you come upon them. Our favorites? Henry Clay Frick's old rec room (bowling alley and pool hall) in the basement of the Frick, The cozy, modern townhouse in Greenwich Village by Matthew Baird, the amazing art collection in Adam Lindeman and Amalia Dayan's midtown apartment, and the stunning Peter Halley paintings in the bedroom at Gunter Sach's house, that was designed and built for Halston.
Here's the rundown:
(photos by Nikolas Koenig and Lisa Kereszi)