If you’ve cruised down Colfax Avenue in Denver lately, you’ve likely noticed the growing number of electric cars rolling along the thoroughfare. And while some people may still associate electric cars with “The Jetsons” or Elon Musk, historians will note that this mode of transportation is firmly rooted in Colorado’s past. 

An autochrome pays homage to one of Colorado's most important assets.

We asked Coloradans one question: If you could have been an eyewitness at a historic event, which one would you choose?