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History

How to Fit 250 Years of American History and Culture Into One Map

Smithsonian magazine explores some of the many ways to celebrate the nation and looks back at how previous big birthdays were commemorated amid domestic turmoil

Ari Daniel

Researchers think some of the footprints were made by barefoot humans roughly 2,000 years ago.

Smart News

A Couple Walking Their Dogs Noticed 2,000-Year-Old Footprints on the Beach. They Were Visible for Just Days Before Waves Erased Them Forever