Smithsonian MagazineJul 10, 2025Seven Mysteries You Can Explore in America's National ParksFrom unexplained phenomena to baffling disappearances, follow the clues while discovering our country’s treasured protected areas13 things in this storyCliff PalaceSightLargest cliff dwelling complexMesa Verde MuseumMuseumMuseum highlights park historyLong House LoopTrailWorthwhile excursionBalcony HouseSightLong HouseSightMug HouseSightMesa Top LoopTrailFar View SitesSightElsewhereHenry M. Jackson Memorial Visitor CenterSightMount Rainier National Park, United StatesPopular southern side visitor centerWestside RoadTrailMount Rainier National Park, United StatesAbandoned highway project; leads to Marine MemorialMarine MemorialSightMount Rainier National Park, United StatesOffers views of Tahoma GlacierMount BaldySightIndiana Dunes National Park, United StatesSand dune where boy fellBlack Balsam RoadTrailBlue Ridge Parkway, United StatesTrailhead for bald peaksRead the full piece at Smithsonian Magazine →