Go behind the scenes at the country's busiest transportation hub. Half a million people pass through New York City's Penn Station every day. During rush hour, a train arrives at a platform every 58 seconds. Phil Kaplan has worked for Amtrak for 37 years, and he takes us for an unusual behind the scenes look at the Central Control room.
Meet the Wizard of Odd. Robert Ripley was a new media star and the most popular man in America.
The grave truth behind modern forensics was discovered in 1920s New York.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
Robert Moses fueled some of the most ambitious -- and controversial -- public works projects ever conceived.
The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
Engineered by William Barclay Parsons, the 21-mile, four-track route of the New York City Subway was the largest public works project in history.
After 18 years of struggles, the Golden Gate Bridge opened on May 27, 1937.
In the decade after the Civil War, former slaves sing their way into a nation's heart with spirituals, the religious anthems of slavery.