10:15pm, $225 (includes open bar), The McKittrick Hotel, 530 W 27th St, mckittrickhotel.com. Welcome the New Year at The McKittrick World’s Fair – with this glittering display of transcendent live performances, ethereal scenic installations, special surprise guests, costumed revelry, and more, which has to be experienced to be believed. An opulent dance party complete with open bar will abound all night long. Guests should come dressed to the nines in their New Year’s finery, in chic shades of midnight blue, gold, silver, and black. Or with a thematic flair inspired by cosmic wonders and explorers of the world.