Nowhere, but Mexico's probably your best bet -- the Sonoran desert, where the 5-Meo-DMT secreting toads live, runs through northern Mexico and southern Arizona.

Nowhere, but Mexico's probably your best bet -- the Sonoran desert, where the 5-Meo-DMT secreting toads live, runs through northern Mexico and southern Arizona. For obvious reasons it's best to avoid the land of the free.