While traveling the world and visiting distant lands is a dream many of us have, it can feel completely unobtainable at times. Usually, the biggest stumbling block is money, or rather, the lack of it. That's where crowdfunding comes in. But why would a random stranger want to donate money towards your dream holiday of relaxing on the beach in a tropical paradise? Well, they probably wouldn't. However, if you're planning to do some genuine good for others on your trip, you just may be able to use crowdfunding to help fund your travels. Here are some ideas to get you started.