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American Experience
Building Diversion Tunnels
The most dangerous phase of Hoover Dam's construction was building the diversion tunnels, two on each side of the Colorado River. Blasting holes 56 feet in diameter, three-quarters of a mile through the canyon rock, the workers faced a huge engineering challenge along with strict time constraints. Chief Engineer Frank Crowe solved the problem by building a contraption called a drilling jumbo.
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1:52:38
Revisit 1970s Boston, when court-mandated school integration unleashed racial unrest.

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Casa Susanna was a refuge for transgender women and cross-dressing men in the 1950s-60s.

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52:22
Unsung scientist Mária Telkes dedicated her career to harnessing the power of the sun.

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Discover the story of the 1969 showdown between President Nixon and the antiwar movement.

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Discover the unexpected history behind Monopoly, America’s favorite board game.

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The influential author and anthropologist whose work reclaimed and honored Black life.

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The Blinding of Isaac Woodard with Spanish subtitles.

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1:52:47
Part Two examines the mounting dispute over strategies and reveals the pervasive racism.

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1:52:42
The fiery campaign that led to passage of the 19th Amendment, granting women the vote.

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