CONSCIOUS OF THE PAST

To see more photos of Sand Creek Massacre National Historic Site and read about individuals who were there that deadly day, go to www.latimes.com/national parks, where you’ll also find more stories marking the first 100 years of the National Park Service.

Stories in our yearlong series on the NPS have included visits to Ellis and Liberty islands for perspective on our immigrant nation and Joshua Tree National Park for desert weirdness and wonder.