This expedition, starting in St. Louis, mapped the newly acquired western territory and reached the Pacific.
Lewis and Clark Expedition
This baseball legend earned the nickname "The Sultan of Swat" for his home run power.
Babe Ruth
This state is tied with Missouri for bordering the most other states in the country, at eight each.
Tennessee
This 1863 speech delivered at a Pennsylvania battlefield, begins with "Four score and seven years ago."
Gettysburg Address
This former Confederate capital, on the James River, remains Virginia's state capital today.
Richmond, Virginia
This 1819 treaty saw Spain cede this peninsula to the United States.
Florida
This golfer, nicknamed "The Golden Bear," won 18 major championships.
Jack Nicklaus
This state and Wyoming are the only two U.S. states whose borders are made entirely of straight lines.
Colorado
This 1961 inaugural address includes the line "ask not what your country can do for you.
JFK
This capital city, on the Chesapeake Bay, is home to the U.S. Naval Academy and is not the largest city in its state.
Annapolis, Maryland
This phrase, coined in 1845, described Americans' belief that they were destined to expand across the continent.
Manifest Destiny
This NFL franchise, other than the New England Patriots, has won the most Super Bowl titles of any team, with six.
Pittsburgh Steelers
This state has the longest state border in the country stretching 870 miles
Texas
This 1987 speech delivered in West Berlin challenged the Soviet leader to "tear down this wall."
Reagan
This state's capital is the only one that is home to over a million residents.
Phoenix, Arizona
This trail, stretching roughly 2,000 miles was the main route for pioneers heading west in the 1800s.
Oregon Trail
This 1980 NBA rookie became the only rookie ever to win Finals MVP
Magic Johnson
This state and Connecticut share the shortest state border in the country, just 0.8 miles of water near Rye.
New York
This 1961 farewell address by this president warned Americans about the growing influence of the "military-industrial complex."
Eisenhower
This state capital, at just over 8,000 residents, is the least populous state capital in the country.
Montpelier, Vermont
This 1869 achievement connected the East and West coasts by rail for the first time
Transcontinental Railroad
This baseball statistic, abbreviated WAR, attempts to measure a player's total value compared to a replacement-level player.
Wins Above Replacement
This state's Cimarron County is the only county in the U.S. that touches five different states.
Oklahoma
This 1933 inaugural address delivered by this president declares "the only thing we have to fear is fear itself."
FDR
This state capital is the only one that cannot be reached by road from the rest of its state — only by plane or ferry.
Juneau, Alaska