On this special edition of America: Facts vs. Fiction, we uncover the real facts behind two legendary battles waged on American soil (the Alamo and Custer's Last Stand ) and we put the spotlight on great showmen (Harry Houdini and P.T. Barnum) to separate myth from truth.

On this edition of America: Facts vs. Fiction, learn the truth behind the myths that surround our most revered patriotic symbols: American Flag, Mount Rushmore, Liberty Bell, and Statue of Liberty; and we unveil the surprising facts of two great feats of engineering: the Panama Canal and the Transcontinental Railroad.