"All aboard!" Alaska Railroad turns 100

Stretching from Seward in the south and Fairbanks in the north, the rails of the Alaska Railroad treat tourists to miles of stunning views of mountains and glaciers, waterfalls and wildlife. But for some residents, those rails are a lifeline for people in the entirely roadless wilderness. Correspondent Conor Knighton takes a ride. "CBS News Sunday Morning" features stories on the arts, music, nature, entertainment, sports, history, science and Americana, and highlights unique human accomplishments and achievements. Check local listings for CBS News Sunday Morning broadcast times. Subscribe to the "CBS News Sunday Morning" YouTube channel:    / cbssundaymorning   Get more of "CBS News Sunday Morning": https://cbsn.ws/1PlMmAz Follow "CBS News Sunday Morning" on Instagram:   / cbssundaymorning   Like "CBS News Sunday Morning" on Facebook:   / cbssundaymorning   Follow "CBS News Sunday Morning" on Twitter:   / cbssunday   Subscribe to our newsletter: https://cbsnews.com/newsletters/ Download the CBS News app: https://www.cbsnews.com/mobile/ Try Paramount+ free: https://paramountplus.com/?ftag=PPM-0... For video licensing inquiries, contact: [email protected]