Crack this weekend open.

ACT
U.S. Premiere of Etiquette
What: Take a seat at a 24-hour Ukrainian diner, put on headphones, listen, and follow directions to pre-recorded live theater.
Why: The chance to be the audience and the actor? It’s your pierogi-tive.
When: Thru Jan. 20. Daily, every half hour, noon-midnight.
Where: Veselka, 144 Second Ave., at 9th St. (212-228-9682). Tickets can be purchased (pairs only) at 866-811-4111; online at thefoundrytheatre.org.

SEE
Horst Platinum
What: An exhibition of fashion-shoot perfection from the avant Vogue photographer.
Why: A Horst is a Horst, of course, of course.
When: Thru Mar. 15. Opens Fri., 10 a.m.-4 p.m. Regular hours, Tues. & Wed., Fri. & Sat., 10 a.m.-4 p.m.
Where: The Forbes Galleries, 60 Fifth Ave., at 12th St. (212-206-5548).

BUY
Taschen Warehouse Sale
What: Up to 75 percent off thousands of slightly damaged (but still awesome) titles.
Why: Read from the good book.
When: Fri. & Sat., 11 a.m.-8 p.m.; Sun., noon-7 p.m.
Where: 107 Greene St., b/t Prince & Spring Sts. (212-226-2212).

Oak Sample Sale
What: The Williamsburg boutique is opening on Bond Street. But first, they’re cleaning house.
Why: Samples and overstock from Form, Hyden Yoo, Harmon, Neal Sperling, and Oak. For guys and girls.
When: Fri.-Sun., 11 a.m.-8 p.m.
Where: 28 Bond St., b/t Lafayette St. & Bowery.

Madison Harding Sale
What: Fall and spring shoes are more than 50 percent off.
Why: It’s not Mad Hard, yo.
When: Thurs. & Fri., 10 a.m.-8 p.m.; Sat., 11 a.m.-3 p.m.
Where: 195 Chrystie St., b/t Stanton & Rivington Sts., ste. 401b.

COOK
What: Whip up a Spanish feast — stuffed Andalusian chicken, omelet with tuna, grilled melon with sesame and honey.
Why: Bring the tapas home.
When: Tummy growling yet?
Where: Your kitchen, using the pretty new 1080 Recipes cookbook.