The United States doesn't, simply because it doesn't have a value-added tax at the national level. I can understand how our government might have looked across the border, not seen one, and concluded we didn't need one, but then again, they don't have a GST. Essentially most of the major OECD countries that are significant travel destinations have one.
Evidence of meeting #50 for Finance in the 39th Parliament, 1st Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was million.
A recording is available from Parliament.