These US leaders altered the course of history in major ways. Welcome to WatchMojo, and today we’re counting down the American presidents who, for better or for worse, changed history the most.

These American presidents were disastrous. Welcome to WatchMojo, and today we’re counting down our picks for the U.S. presidents who have been condemned by history and scholars for their lackluster leadership.

Trump may have a questionable diet, but he’s got nothing on these guys! From Ronald Reagan, to Woodrow Wilson, to William Henry Harrison, these presidential figures were downright unhealthy. WatchMojo counts down the Top 10 Unhealthiest U.S. presidents Ever.

presidents may be the leaders of their countries, but that doesn’t always mean they’re good men – on the big screen, at least! Welcome to WatchMojo.com and today we’re counting down the Top 10 Evil presidents in Movies

They're pop culture heroes and possibly potential U.S. presidents. Join http://www.WatchMojo.com as we count down our picks for the Top 10 Celebrities that Would Make Great presidents.

The following unexpected truths would have even Uncle Sam eating his hat! Join us at http://www.WatchMojo.com as we count down our picks for the Top 10 Surprising Facts About U.S. presidents!

They were some of America’s most influential heads of state and government. Join http://www.WatchMojo.com as we count down our picks for the top 10 U.S. presidents.

Hail to these chiefs. Join http://www.WatchMojo.com as we count down our picks for the top 10 movie presidents.

This list includes presidents, scientists, killers, dictators, and more! Welcome to WatchMojo, and today we’re counting down our picks for the individuals who have had the most massive impact on life in the 21st Century.

These world leaders couldn't escape the long arm of the law. For this list, we’ll be looking at the most infamous moments in which presidents or Prime Ministers of the world were arrested and, in certain cases, indicted on criminal charges.

Many of the most influential Vice presidents in United States history have gone on to become presidents, among their many accomplishments. Men like Lyndon B. Johnson and Theodore Roosevelt were called upon to take over the Oval Office after presidents were assassinated, while VPs like Gerald Ford took the highest office due to scandal. However, men like Walter Mondale significantly changed the office of the vice president. WatchMojo chooses the ten most important Vice presidents of the United States.

If any of these government conspiracy theories turned out to be true, it would shock the world. Welcome to WatchMojo, and today we’re counting down our picks for the craziest conspiracies out there, specifically those focused on dark secrets allegedly being kept by the U.S. Government.

Sometimes, history turns on the words of great people. For this list, we’ll be looking at pivotal speeches by famous orators.

These people earned their place on this list in the worst ways imaginable. For this list, we’ll be going over the most appalling people in history.

These animated "SNL" sketches put the fun in funhouse.