America’s Monuments | A Passage Through Panam...
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In 1927, workers began blasting granite rock off a towering cliff in South Dakota’s Black Hills. It was the start of an arduous 14-year struggle to carve the portraits of four American presidents into Mount Rushmore. The feat required grueling labor in extreme conditions ...
In the early 1920s, San Francisco was a picturesque city on a narrow, isolated peninsula. Known for its scenic, natural beauty, it had the potential to become one of America’s leading metropolises. But to fuel its economic growth, it needed a bridge -- across one of the most t ...