There’s hotel holiday cheer, and then there’s the kind of Christmastime that makes little kids’ eyes go wide and grown-ups whisper, “remember this forever.” If you want more than a tree in the lobby and a hot cocoa cart, look for places that go all-in: Santa visits, horse-drawn sleighs or carriage rides, ice skating rinks, snow tubing or sledding hills, life-size gingerbread displays, and full-on immersive holiday programming. Below are my favorite U.S. hotels that do that extra bit of magic — perfect for families who want a Christmas you can feel. Mohonk Mountain House — New Paltz, New York If you picture an old-school holiday postcard — a Victorian…