Angelene Forester remembers Walter Freeman's first patient -- her mother Ellen Ionesco.
The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
George Eastman introduced the Kodak and Brownie camera systems and transformed photography into something anybody could do.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
Postwar New York City and the global economic order told through the story of the World Trade Center.
The tale of oil-seeking mavericks whose risk-taking, sweat and dreams changed an American industry.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.