North America

St. Francis Dam: Worst U.S. Engineering Disaster of the 20th Century

The collapse of the St. Francis Dam in 1928 is one of the worst catastrophes of the twentieth century. Today it is an engineering...

The Only Unsolved Airline Hijacking in U.S. History: D.B. Cooper

  November 24th, 1971. An unknown man extorts $200k from Northwest Orient Airlines in Washington after taking a Boeing 727 hostage.  He releases all the...