who were the toltecs?

The Toltecs (or Toltec or Tolteca) were a Pre-Columbian Native American people who dominated much of central Mexico between the 10th and 12th century AD. Their language, Nahuatl, was also spoken by the Aztecs.
what happened to all their gold? does anyone know?
still hidden in a valley long shadow of the sun on the rock wall
to mark the place where the treasure lays? and who's goin to get it? what will happen to all
their treasure?