Spanning the Columbia River in Washington State stands the world’s largest concrete dam—and indeed, the largest concrete structure anywhere. Constructed in 1931, it remains a powerhouse, ranking among the globe's most substantial hydroelect…

The extraordinary tale unfolds of how this iconic New York City skyscraper rose during the bleak years of the Depression. Demanding ten million bricks and sixty thousand tons of steel beams, its construction employed a groundbreaking method…

This tells the story of an astonishing achievement in engineering: the construction of a 51-mile canal, a project that demanded ten years of labor and involved more than 40,000 workers. Tragically, over 6,000 succumbed to yellow fever, mala…

A sprawling mechanism transforms the waters into a vibrant cityscape; cruise ships offer an exhilarating and novel experience.

This explores how a single man’s ambition, coupled with collaboration between the United States and England, brought about an immediate and dependable means of transcontinental communication during the mid-1800s. Witness how the wealthy, th…

This is the remarkable story of Gutzon Borglum’s creation: the world’s largest sculpture, formed by carving the faces of four United States presidents—George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln—into the Bla…