Paleontologists Othniel Marsh and Edward Cope become rivals, and Penzias and Wilson discover the echo of the Big Bang. Featuring Greg Kinnear, Stephen Merchant, Justin Lo ...

Actor Clark Gable joins the Air Force during World War II, Ponce de Leon quarrels with Diego Columbus, and Griselda Blanco takes over the cocaine trade in Miami. ...

Pirate John Lafitte helps Andrew Jackson defeat the British during the War of 1812, Sam Zemurray becomes a banana kingpin, and Louis Armstrong becomes a jazz legend. Feat ...

Harriet Tubman provides military intel to the Union Army, Virginia Hall spies in France during World War II and becomes the first woman in the CIA, and Roald Dahl serves ...

Wayne Wheeler becomes the face of Prohibition, Dorothy Fuldheim breaks barriers in news broadcasting, and Muhammad Ali refuses to fight in the Vietnam War. ...

Milton Bradley popularizes board games, Roger Sharpe helps overturn a pinball ban, and chess master Bobby Fischer defeats Russian rival Boris Spassky during the Cold War. ...

Kentucky Daisy stakes a claim to land, Gordon Cooper overcomes mechanical issues on a one-man space mission, and African-American Deputy Marshal Bass Reeves is the inspir ...

Nellie Bly and Elizabeth Bisland try to travel around the world in under 80 days, and Thomas Nast's political cartoons lead to the downfall of Tammany Hall leader Boss Tw ...

The Wild West origins of the LAPD, Rin Tin Tin's rise to fame as a Hollywood star, and the shady dealings behind the LA Aqueduct and St. Francis Dam. Featuring Giancarlo ...

Popé leads the Pueblo Indians in a revolt, Boy Scouts founder Ernest Thompson Seton tracks a wolf, and the truth behind the Roswell UFO conspiracy is revealed. Featuring ...

Alexander Graham Bell steals the original design for the telephone from Elisha Gray, and Thomas Edison tries to create a movie-making monopoly. Featuring Parker Posey, Ch ...

J.T. McWilliams forms a community but is muscled out by William Clark, Bugsy Siegel bets his life on the Flamingo Casino, and the Moulin Rouge is the first casino to brea ...

Carl Sagan and Ann Druyan fall in love, Wernher von Braun becomes the father of American rocket science, and Russian cosmonauts perform the first spacewalk. ...