If you engage in a bit of the wacky tobacco, you probably have a pretty good idea of what a gram of marijuana looks like -- maybe even an ounce. But even the most expanded mind would have trouble conceptualizing the sheer mass of 121.5 tons of marijuana. Mexican authorities are calling this haul "the largest seizure in the country's history of marijuana prepared and packed for sale and distribution."

Read on to see more photos of the psychoactive largess ... and how they got rid of it.