
The Machines That Built America
1870s: Letters took weeks, telegraphs pricey Western Union gave prize.

1870s: Letters took weeks, telegraphs pricey Western Union gave prize.

William Harley and Arthur Davidson had a vision for a new form of transportation.

A high stakes battle that will change the world forever.

1910: Airplanes are new, but two dreamers see a future of millions flying.

1870s farmers labor hard until the invention of iconic tractors like Caterpillar.

Brad Meltzer and his team thought they knew what the Statue of Liberty stood for.

Brad Meltzer and his team thought they knew what the Statue of Liberty stood for.

The team investigates the secret presidential codes of Thomas Jefferson.

The team gets to the bottom of a mystery concerning the cornerstones.

The Declaration of Independence is the founding document of American Democracy.

Brad Meltzer, NY Times best-selling author, thrives on historical enigmas.

The team gets to the bottom of a mystery concerning the cornerstones.

There's a place in Alaska that claims more bodies than the Bermuda Triangle.

Brad Meltzer and his team thought they knew what the Statue of Liberty stood for.

Brad Meltzer and his team thought they knew what the Statue of Liberty stood for.

The team investigates the secret presidential codes of Thomas Jefferson.

The team gets to the bottom of a mystery concerning the cornerstones.

The Declaration of Independence is the founding document of American Democracy.

Brad Meltzer, NY Times best-selling author, thrives on historical enigmas.

The team gets to the bottom of a mystery concerning the cornerstones.