The first dedicated National Park anywhere in the world, Yellowstone attracts 318 million visitors every year. It was saved for posterity by the work of two pioneering artists.
- The Great American Songbook
- Election of 1824: When the House Chose
- Caretakers and Confidants: Presidential Valets
- The Election of 1800: Presidential Tie
- Who Founded the Republican Party?
- Who Founded the Democratic Party?
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- American Mottos on Symbols
- The Showdown: MacArthur v. Truman
- Who Was Benjamin Franklin?