With rising tuition costs, some states such as Oregon, Washington and California have begun experimenting with how they fund public universities.
Oregon in particular has recently made headlines for a new proposal to wave tuition fees in favor of a 20 year post-graduation payment plan.
They aren't the first to experiment tuition free education, however. Many countries, particularly in Europe, subsidize higher education, allowing them to wave tuition fees.
Here's a list of 10 countries known for offering a free college education.