OHNY NOTES. Here are some tips for Open House New York in Chelsea:

Terrapin Chelsea Art Gallery
123 West 15th Street
10 am to 3 pm
Highly recommended
There was only a short line on Saturday around 2:45 pm.

Grand Lodge of Masons
71 West 23rd Street
10 am-4 pm [Get there by 3 pm for best chance!]

Rubin Museum of Art
150 West 17 Street
11 am to 6 pm
Free admission, great music, beautiful interior architecture. And places to sit. Favorite exhibits: Flying Mystics in Himalayan Art and The Photographs of Fredric Roberts.

And here's a place of interest in The Bronx:

Hall of Fame of Great Americans, Bronx Community College
University Avenue & West 181st Street [Note: The Burnside subway stop is probably closed.]
9 am to 5 pm
Yes, Gary: This is the locale of this week's Where Was I?