Since I take students to the national parks every other year, I can get a bit jaded visiting frontcountry thermal areas like Old Faithful, Norris, or Midway.
Trailside Geyser.
In recent years, I’ve begun to visit backcountry sites. I’m much happier now.
Why? See my article on the Shoshone Geyser Basin in National Parks Traveler, here.