Great! Now, where do you plan to go? You could island-hop, go mountain climbing or travel Europe.  The ideas sound fun, but maybe you’re on budget, have limited vacation time or you have a terrible fear of heights. That’s okay, because right now is a great time to make travel plans and book a tour in the United States. Traveling to some of the most popular hot-spots in the U.S. has never been more affordable.  Appreciate big cities, theme parks or the great outdoors on your tour. You can even do all three on some tours. Here are four can’t miss tour destinations for the travel hungry: