Those used to be all over the place in Las Vegas, not sure if they are still around or not.Joggers and other trash people will never allow this to become mainstream. They will just ruin it like everything else.
DMT can suposedly be harvested from a few different plants, a few different ways, at least according to an old stoner friend. That shit seems like it's not something a person should jump into, even if it's easier to make yourself than other psychedelics though.