Maj. Gen. Montgomery C. Meigs designed the former Pension Bureau building in Washington to be both functional and awe-inspiring
After a slow start, Washington's spymasters used mathematics, chemistry, and sneakiness to turn the tide against the British
For a few months in 1872-73, a mysterious equine malady brought whoa to the U.S. economy
In the spring of 1919, three Navy-Curtiss flying boats set out to beat the competition and be the first to fly across the Atlantic Ocean.
Sharpshooters wore camo and hefted state-of-the-art rifles with longer, flatter trajectory
A Union sailor left a remarkable first-hand account of the struggle between USS Monitor and CSS Virginia