You can take the Greyhound Bus from the Los Angeles downtown terminal (1716 East 7th St.) to the Victorville terminal (16838 D St, Victorville, CA) 1-800-231-2222. http://www.greyhound.com. Please note, you will have to take a cab, Uber or Lyft from LAX to the Los Angeles downtown Greyhound station and from the Victorville bus station to CalEarth.