A deadly accident at the old Grand Central Depot in 1902 led the busy terminal to be redesigned. Over a decade, William Wilgus and his construction crews sunk the tracks underground and switched from steam to electric service -- keeping the trains running the whole time.
From steam engine depot to the grand Beaux Arts monument that opened in 1913 and stands today, explore this gallery of photographs of Grand Central. It features several images from the mid-20th century taken by Boris Y. Klapwald.
The most daring and innovative accomplishment at the turn of the 20th century.
The effort of pioneering researchers to conceive babies through in vitro fertilization.
Accused by a janitor, a respected Harvard professor was hanged for the murder of Dr. George Parkman, one of Boston's richest citizens, in 1849.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
Politics, culture, race relations, and technology in a year of change.
Postwar New York City and the global economic order told through the story of the World Trade Center.
A wry philosophical essay on what makes baseball the great American pastime.
America came apart in 1964 and has since been reborn.