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 PalaceSightMesa Verde National Park, United StatesLargest cliff dwelling complexHenry 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 fellMesa Verde MuseumMuseumMesa Verde National Park, United StatesMuseum highlights park historyLong House LoopTrailMesa Verde National Park, United StatesWorthwhile excursionBlack Balsam RoadTrailBlue Ridge Parkway, United StatesTrailhead for bald peaksBalcony HouseSightMesa Verde National Park, United StatesLong HouseSightMesa Verde National Park, United StatesMug HouseSightMesa Verde National Park, United StatesMesa Top LoopTrailMesa Verde National Park, United StatesFar View SitesSightMesa Verde National Park, United StatesRead the full piece at Smithsonian Magazine →