The United States offers an incredible variety of distinct accommodations, and honestly, some of the unique hotels in the USA are so wild that the lodging itself becomes the main part of the travel experience. I’m talking treehouses, train cars, underwater labs, caves, lighthouses, and yes—a giant potato you can actually stay overnight in. Unique hotels can include themed rooms and immersive nature retreats. And when you bring kids along, these stays turn an ordinary trip into the kind of story they’ll retell for years. This guide covers 20 of the most unusual hotels in the USA that genuinely work for families. Not every quirky property is practical with kids…