New research into ancient Mongolian burial mounds, known as khirigsuurs, is challenging long-held assumptions about the scale of communal feasting that took place at these monumental sites during the ...
ST. PETERSBURG, Fla. — 1000 years ago, people carried shells here – adding them to an already massive mound that's 900 feet long, 300 feet wide, and 23 feet above the average high tide. Tours are ...
At about 150 national park sites — of the 433 under the NPS umbrella — visitors who bring their dogs along can collect an ...