Iolani palace in Hawaii is the only palace built for a monarchy currently on U.S. soil.
Maine has no poisonous snakes.
Hawaii has only two snakes. One is a sea snake rarely seen in Hawaii waters. The other is a blind snake that lives like an earthworm.
The famous Citgo sign near Fenway Park in Boston is maintained not by Citgo, but by Boston's historical society.
Roger Ebert won the 1959 Illinois High School Association State Speech competition in Radio.
In 1848, Niagara Falls stopped flowing for 30 hours because of an ice jam blocking the Niagara River.
America's largest rosary is located at the Fatima Shrine in Holliston, Massachusetts.
A railroad tanker car carrying propane traveled over 3,000 feet when it exploded during a train wreck in Illinois, sheering off a steel tower in it's path. It's the longest flight on record for a propane explosion.
Only six times in history have Time, Newsweek, and Sports Illustrated had the same entity on the cover in the same week. They are Joe Namath, Reggie Jackson, Secretariat, the 1980 U.S. Ice Hockey team, Mary Lou Retton and O.J. Simpson.
The first national park, Yellowstone, was proclaimed national park in 1872 however there was no National Park Service until 1916. Until then, the parks were administered by the U.S. Army. When the Park Service was formed they got their first uniforms from the Army, hence the ranger (campaign) hats.
Since World War II, every American president to address the Canadian House of Commons in their first term of office have all been re-elected to a second term. Eisenhower, Nixon, Reagan, and Clinton have all had the honour, while Kennedy, Johnson, Ford, Carter, and Bush did not address the Parliament.
With a population of fewer than nine thousand people, Montpelier, Vermont is the smallest state capital in the U.S.
Pittsburgh is the only city where all major sports teams have the same colors: Black and gold.
Dallas, Texas was named after George M. Dallas, President Polk's veep.
Mr. Peanut was invented in 1916 by a Suffolk, Virginia, schoolchild who won $5 in a design contest sponsored by Planters Peanuts.
WACO is the only radio station in the United States that spells out it's location city.
If Brooklyn, New York became independent of New York City, it would be the third largest city in the United States, after the remainder of New York and Los Angeles.
The Yellowstone River is the longest undammed river west of the Mississippi.
Mississippi is the only state that has a city named Biloxi.
Mongooses were brought to Hawai'i to kill rats. This plan failed because rats are nocturnal and while the mongoose hunts during the day.
I, Q, and X are the only letters that don't start a city that ends in -ville in the state of Ohio. i.e. Brownsville, Zanesville, etc.
Iowa is the only state bordered on both east and west entirely by rivers. (Mississippi on the east, Missouri and Big Sioux on the west.)