Serene shot of St. Mary Lake in Glacier National Park by @ralfafara. Share your photos of the U.S. National Parks with #ExpediaLovesParks and #PPNationalParks. We're regramming 100 of our favorites in honor of the 100th bday of the @nationalparkservice. A

Serene shot of St. Mary Lake in Glacier National Park by @ralfafara. Share your photos of the U.S. National Parks with #ExpediaLovesParks and #PPNationalParks. We're regramming 100 of our favorites in honor of the 100th bday of the @nationalparkservice. Also check out the #NationalParksAdventure film by @macfreefilms now playing in IMAX® and giant screen theaters. Click the link in our bio to watch the trailer. [21/100] Hotels-live.com via www.instagram.com/p/BDowivZJTYA/ via http://flic.kr/p/FHzwXE #link https://farm2.staticflickr.com/1662/26068433132_aba5b023ee_b.jpg