Building the 700 foot high dam was only one piece of the puzzle.
Workers moved the Colorado River from the bed it had known for 12 million years.
Watch Chapter 1 of Triangle Fire.
There are approximately 100 tribes in the Amazon rainforest that have not interacted with the modern world.
Watch the opening scene of Into the Amazon.
A brief history of dangerous chemicals and compounds in our homes.
Author Kristin Downey discusses Frances Perkins, a labor rights activist, close friend of FDR, and the first female secretary of labor.
On April 5, 1911, New Yorkers from all walks of life paid tribute to the unidentified victims of the Triangle fire: the deadliest workplace accident in the city's history.
In October 1909, the owners of the Triangle Shirtwaist Factory, fought back against striking workers.
The deadliest workplace accident in New York's history changed American factories forever.
How would a ship travel across the Panamanian Isthmus? Here's a quick demonstration.
Ride through the Panama canal with this time-lapse video of the locks in action.
