If you’re the kind of person that dreams big, you’re probably one to reach for new challenges. Finishing a trip gives you the satisfaction that you were able make a goal to travel and accomplish what you set out to do–see the world.is. The benefits of traveling are not just a one-time thing: traveling changes you physically and psychologically. Even more than "just" languages, traveling helps you learn about yourself. You might run into challenging situations where you need to be resourceful and think differently. I'm sure that you will develop a new set of skills that you didn't suspect you had within you.
Being more understanding and tolerant about a culture different than ours is part of being smarter, but I consider it as a benefits of traveling in itself. There is a quote by Saint Augustine, which goes “The world is a book, and those who do not travel read only one page”. You could think of it this way: if you read what's in the news or watch the news on TV and don't question it, you're missing on a ton of information. You might think that it makes you smart.The benefit of traveling to a new place is that it forces you to face the unknown and think differently. You don't need to go spend a month in the jungle! If you live in a large city, just going on a hike over the weekend will make you feel different. Adventures require novelty, so get out of your comfort zone. It might be scary, but in retrospect, you'll see it as the best decision you ever made!