Cheap$kate: FREE events in NYC this weekend

George Steinmetz: Desert Air
Let the "Desert Air" run through you as you peruse 42 large-scale images of some of the world's most remote deserts, taken by National Geographic photographer George Steinmetz. The award-winning photographer spent the past 15 years in 27 different countries and Antarctica, capturing shots of these landscapes from the air using a motorized paraglider. Through March 15. (Opens Saturday, 8 a.m.-6 p.m. daily, FREE, Brookfield Place World Financial Center, Winter Garden, 220 Vesey St., worldfinancialcenter.com/desertair)

TV

'The Voice' auditions
So you think you've got the singing chops to be "The Voice," do ya? Here's your chance to prove it. The hit NBC show is holding auditions this Saturday and Sunday at the Javits Center. Registration is required, so head over to nbcthevoice.com to sign up and get your "Artist Audition Pass" that will give you a day and time to show up. And if your voice gets you on "The Voice," we expect a shoutout. Thanks. (Saturday & Sunday, doors open at 7 a.m., register for your time slot, FREE, Jacob K. Javits Center, 655 W. 34th St., nbcthevoice.com)