Yellowstone Special Snow-Coach

• During Winter, Yellowstone National Park's roads go unpaved, and the only way to explore the park is on a "Snow Coach," a specially modified vehicle with treads instead of wheels. The snow coaches run to Old Faithful from mid-December to March.
  
  

The Italian Alps

• Travel 55 offers an Italian Alps winter package to take advantage of the beauty of winter in the Dolomite Mountains. The nine-day coach tour stops for a few days in Fondo, where guests enjoy local tours and free local wine and beer every evening. This tour departs from the United Kingdom.
  
  

Harbin Winter Festival

• On the Go touring company has "A Chinese New Years" coach tour that operates over Christmastime (December 23 to January 2) during the Western New Year, not the traditional Chinese New Year. This tour includes New Years Eve and Day at the Harbin Ice Festival, home to massive snow and ice sculptures.