White House pets come in every size, shape, and species. What are some of the pets that belong to the world's most powerful men and their families? John Quincy Adams' alligator liked to slither across the White House steps and was fond of chasing the guests! Thomas Jefferson took walks around the garden with his pet grizzly bears! James Buchannan received a herd of elephants from the King of Siam! William Howard Taft, who was fond of creamy fresh milk, kept a milk cow in the kitchen! With comical anecdotes and hilarious illustrations, here is a side-splitting look at American history.