Old Faithful was the first geyser to receive a name in Yellowstone—which celebrates 146 years as a national park today http://on.natgeo.com/2FKyXDa pic.twitter.com/EEiJAz9hKP

Old Faithful was the first geyser to receive a name in Yellowstone—which celebrates 146 years as a national park today http://on.natgeo.com/2FKyXDa  pic.twitter.com/EEiJAz9hKP

https://twitter.com/NatGeoTravel/status/969323001186537478