Bald Eagles Aren't Actually Bald: The national bird of the U.S., the bald eagle, gets its name from an older meaning of "bald," which means white-headed.
The Library of Congress is the Largest Library in the World: With over 168 million items in various formats, the Library of Congress is the largest library globally by shelf space and number of items.
The U.S. Navy is the Second Largest Air Force in the World: The U.S. Navy has more aircraft than any other air force in the world, second only to the U.S. Air Force itself.
Mount Rushmore Was Supposed to Include Entire Bodies: Originally, the sculptor intended to carve the presidents from head to waist, but funding ran out, leaving only the iconic heads.
The U.S. Purchased Alaska from Russia: In 1867, the U.S. bought Alaska from Russia for $7.2 million, which was initially criticized as "Seward's Folly" but later proved to be a valuable acquisition.
The U.S. Has the Highest Incarceration Rate in the World: With around 655 prisoners per 100,000 population, the U.S. has the highest incarceration rate globally.
More Than Half of the World's Billionaires Live in the U.S.: According to Forbes, more than half of the world's billionaires reside in the United States.
The Hawaiian Alphabet Has Only 12 Letters: The Hawaiian language uses only 12 letters: five vowels (a, e, i, o, u) and seven consonants (h, k, l, m, n, p, w).