From sewer-dwelling alligators to underground shantytowns and smuggling tunnels; man-eating rats to illegal warehouse parties; New York City's underground—mythical and actual—pulses just below the City's radar. On Saturday, November 8, 2008, Eyebeam—the upstart of unconventional creativity and boundary-defying art and tech experimentation—presented the latest iteration of its quarterly live performance party: MIXER Underground, which featured a 5000−foot maze and 30 performers.