New restaurants and bars open up in New York City every day, like a never-ending, delicious game of Whac-A-Mole. But this guide is dedicated to classics that have stood the test of time—all of them opened by 1900 at the latest. Want to feel young again? Enjoy a meal or a drink at these 16 enduring spots, which include steakhouses, red-sauce joints, and good old-fashioned taverns—and which prove that age is just a number.