A combination of travel and a little bit of work will take you miles in covering your travel costs. Traveling the world for free is another story but not impossible. If you are pessimistic to the idea that you can afford to travel the world, think again. There are smart ways on how to do it.

If you are open to the idea of taking care of someone's pet or looking after a family's home while you are on a vacation, you can be a house sitter. It's an instant free accommodation and an extra cash to spend on your trip.

Another way to engage yourself in a foreign culture, learn new language and travel is by teaching English to non-English speakers particularly in Korea and UAE. If you're lucky enough, they sometimes pay for the flights and accommodation. Spain is another option. The pay isn't that high but you have plenty of time to explore or develop new skills while traveling.

Make the most out of your nursing skills and travel for free to Florida or Hawaii and get paid at the same time. There are sites online where you can find opportunities with assignments that often last from eight to 26 weeks. It often covers food and housing and compensation varies depending on your skill level.

Work as a tour guide. It's a great option especially when you speak another language. There's a lot of opportunities that you can find online. Or you can just show up to find a job on the spot. You can also offer a free tour and ask for tips.

If you are a teacher, you can host an educational trip. There are education travel companies out there provides free trips to teachers who wants to take their students on a trip. Some even offer free training trip and other freebies beforehand.

Traveling isn't always linked to spending money. If you're smart enough, you can find ways to travel the world, work, and earn.