Across the nation, a confusing patchwork of laws governs the growth, use and sale of marijuana. Attitudes — and laws — are changing from coast to coast.

According to federal law, marijuana is an illegal drug. But that hasn't stopped individual states from passing their own laws legalizing pot. Today, recreational marijuana use is legal in 10 states and in Washington, D.C.

We've teamed up with a network of PBS stations to take you to some very different parts of "Cannabis Country."