| #8531, aired 2021-12-13 | LATIN AMERICAN GEOGRAPHY $1600: Fed by many rivers like the Ramis & Coata & nestled between Andean ranges, this lake sits at 12,500 feet above sea level Lake Titicaca |
| #8456, aired 2021-08-02 | AMERICAN RIVERS $400: The largest river to empty into the Pacific in North America, it makes a huge gorge in the Cascades the Columbia |
| #8456, aired 2021-08-02 | AMERICAN RIVERS $800: This river forms part of the border between Kansas & the state it shares a name with the Missouri |
| #8456, aired 2021-08-02 | AMERICAN RIVERS $1200: This word comes before "Bow" in a Wyoming river & before "Lodge" in a Kansas river Medicine |
| #8456, aired 2021-08-02 | AMERICAN RIVERS $1600: Before emptying into the Gulf of Mexico, the Pearl River flows through this capital Jackson, Mississippi |
| #8456, aired 2021-08-02 | AMERICAN RIVERS $2000: The "rap" on this river: it's entirely in Virginia & its name is from Algonquian for "stream with quick rising waters" Rappahannock |
| #8188, aired 2020-03-25 | ALL-AMERICAN STAMPS $800: 2019's "Wild and Scenic Rivers" series includes Oregon's Dechutes River, which flows north before emptying into this mighty waterway the Columbia |
| #8121, aired 2019-12-23 | THE "LL", "LL" YOU SAY! $1000: The double-talk name of this Washington city may come from a Native American word meaning "small rapid rivers" Walla Walla |
| #7937, aired 2019-02-26 | LAKES & RIVERS $1600: The Amazon River begins not in Brazil but with headwaters in this western South American country Peru |
| #7873, aired 2018-11-28 | RIVERS OF CALIFORNIA $200: The region where this "capital" river meets the American River was the scene of the state's 1849 gold rush the Sacramento |
| #7163, aired 2015-11-04 | STATELY RIVERS $1200: In the late 1930s the All-American Canal was built to deliver water from this river to California's Imperial Valley the Colorado |
| #7088, aired 2015-06-10 | WESTERN HEMISPHERE RIVERS $400: The Hondo River provides much of the border between Mexico & this small Central American nation Belize |
| #7088, aired 2015-06-10 | WESTERN HEMISPHERE RIVERS $1200: In the 1520s Sebastian Cabot named a South American river this, believing the nearby area had lots of silver Río de la Plata |
| #7017, aired 2015-03-03 | SNAKES $400: Weighing up to 500 pounds, the world's heaviest snake is the green this, a boa that lives near South American rivers an anaconda |
| #6840, aired 2014-05-16 | LAKES & RIVERS $800: More than 3,000 square miles in area, it shares its name with a Central American nation Lake Nicaragua |
| #6623, aired 2013-06-05 | WORLD "P"s $400: This South American country is landlocked but loaded with hydropowerful rivers Paraguay |
| #6564, aired 2013-03-14 | NORTH AMERICAN RIVERS $400: The Yaqui & Magdalena rivers in Mexico's state of Sonora flow into this gulf the Gulf of California |
| #6564, aired 2013-03-14 | NORTH AMERICAN RIVERS $800: In 1968 the U.S. & Mexico completed an artificial riverbed to keep this river from altering its course on the boundary the Rio Grande |
| #6564, aired 2013-03-14 | NORTH AMERICAN RIVERS $1200: (Sarah of The Clue Crew reports from Twin Falls, ID.) The Perrine Bridge near Twin Falls, Idaho is the only U.S. bridge from which so-called base jumpers can legally parachute without a permit into this river below. the Snake River |
| #6564, aired 2013-03-14 | NORTH AMERICAN RIVERS $2000: This 1,000-mile-long river emptying into Hudson Bay wasn't named for a British P.M. but a governor of Hudson's Bay Company the Churchill River |
| #6564, aired 2013-03-14 | NORTH AMERICAN RIVERS $2,600 (Daily Double): Its major tributaries include the Spokane, Yakima, & Kootenai Rivers the Columbia River |
| #6535, aired 2013-02-01 | WORLD RIVERS $400: It drains an area of 2.7 million square miles in 7 South American countries the Amazon |
| #5524, aired 2008-09-18 | U.S. RIVERS $400: This river of the American Southwest shares its name with a "monster" that inhabits the area the Gila |
| #5415, aired 2008-03-07 | BRAZILIAN FOOD $600: ( Jimmy of the Clue Crew reels in a clue from Rio de Janeiro, Brazil.) Culinary explorers know the name of this fish of South American rivers is Spanish for "golden" the dorado |
| #5285, aired 2007-07-27 | SOUTH AMERICAN COUNTRIES $1200: The Jurua, the Japura & the Tapajos Rivers all flow into another much larger river in this country Brazil |
| #5037, aired 2006-07-04 | AMERICAN RIVERS $400: In an 1883 book, Mark Twain described this river as "rolling its mile-wide tide along, shining in the sun" the Mississippi |
| #5037, aired 2006-07-04 | AMERICAN RIVERS $800: Custer National Cemetery lies near this Montana river the Little Big Horn |
| #5037, aired 2006-07-04 | AMERICAN RIVERS $1200: The name of this river that flows into Chesapeake Bay is Algonquin for "where goods are brought in" Potomac |
| #5037, aired 2006-07-04 | AMERICAN RIVERS $1600: This river joins the Allegheny in Pittsburgh to form the Ohio River the Monongahela |
| #5037, aired 2006-07-04 | AMERICAN RIVERS $2,000 (Daily Double): It's the river mentioned in the title of Indiana's state song the Wabash |
| #5010, aired 2006-05-26 | LATIN AMERICAN LAKES & RIVERS $400: Its upper branch is the Maranon, the lower branch the Ucayali; both flow in Peru the Amazon |
| #5010, aired 2006-05-26 | LATIN AMERICAN LAKES & RIVERS $800: Gatun Lake was formed in 1912 by the Gatun Dam during the construction of this the Panama Canal |
| #5010, aired 2006-05-26 | LATIN AMERICAN LAKES & RIVERS $1200: This largest inland body of water in Central America lies just southeast of Managua Lake Nicaragua |
| #5010, aired 2006-05-26 | LATIN AMERICAN LAKES & RIVERS $1600: The 3/4-mile-wide Strait of Tiquina in Bolivia separates the upper & lower portions of this lake Lake Titicaca |
| #5010, aired 2006-05-26 | LATIN AMERICAN LAKES & RIVERS $2000: This longest Venezuelan river starts in the Parima Highlands near the Brazilian border the Orinoco River |
| #3949, aired 2001-11-01 | LAKES & RIVERS $1000: This largest Central American lake has several islands, including Ometepe, which has 2 volcanoes Lake Nicaragua |
| #3756, aired 2000-12-25 | LAKES & RIVERS $200: This South American river widens to about 150 miles at its mouth the Amazon |
| #3157, aired 1998-04-28 | SAVAGE CREATURES $800 (Daily Double): Also called caribes, these fish with razor-sharp teeth live in South American lakes & rivers piranhas |
| #3059, aired 1997-12-11 | SOUTH AMERICAN GEOGRAPHY $300: The area between the Uruguay & Parana Rivers, or the ancient region between the Tigris & Euphrates Mesopotamia |
| #2962, aired 1997-06-17 | LAKES & RIVERS $400: This largest Central American lake shares its name with the country in which it's located Lake Nicaragua |
| #2704, aired 1996-05-09 | LAKES & RIVERS $1,100 (Daily Double): The first naval battle between American & British forces took place on this lake October 11, 1776 Lake Champlain |
| #2688, aired 1996-04-17 | LAKES & RIVERS $1000: This largest South American lake is an inlet of the Caribbean Sea Maracaibo |
| #2553, aired 1995-10-11 | AMERICAN RIVERS $200: In Pittsburgh the Monongahela & Allegheny rivers join to form this river the Ohio |
| #2553, aired 1995-10-11 | AMERICAN RIVERS $400: The Pecos, which rises in New Mexico, eventually joins this river in Texas the Rio Grande |
| #2553, aired 1995-10-11 | AMERICAN RIVERS $600: Over 1,000 feet deep the Royal Gorge in this state was carved by the Arkansas River Colorado |
| #2553, aired 1995-10-11 | AMERICAN RIVERS $800: In its short course from Lake Erie to Lake Ontario, this river drops 326 feet the Niagara |
| #2553, aired 1995-10-11 | AMERICAN RIVERS $1000: It's the river mentioned in Indiana's state song the Wabash |
| #2494, aired 1995-06-08 | LAKES & RIVERS $1,400 (Daily Double): Sebastian Cabot named this South American river for the mineral deposits he thought were nearby the Rio de la Plata |
| #2459, aired 1995-04-20 | LAKES & RIVERS $200: The Spanish & Portuguese names are the same for this 3,900-mile-long South American river the Amazon |
| #2162, aired 1994-01-18 | RIVERS $100: This South American river drains about 5% of the Earth's total land area the Amazon |
| #1656, aired 1991-11-11 | LAKES & RIVERS $600: This South American lake drains into the smaller Lake Poopo in Bolivia Lake Titicaca |
| #1407, aired 1990-10-16 | 5-LETTER RIVERS $100: This North American river shares its name with a Canadian territory the Yukon |
| #981, aired 1988-12-05 | AMERICAN RIVERS $200: One of the longest rivers in North America, its Spanish name means large river the Rio Grande |
| #981, aired 1988-12-05 | AMERICAN RIVERS $400: These 2 rivers form Iowa's eastern & western borders the Mississippi & the Missouri |
| #981, aired 1988-12-05 | AMERICAN RIVERS $800: Illinois river made famous in an "Anthology" by Edgar Lee Masters Spoon River |
| #981, aired 1988-12-05 | AMERICAN RIVERS $900 (Daily Double): Massachusetts is crossed by this river named for a nearby state the Connecticut River |
| #981, aired 1988-12-05 | AMERICAN RIVERS $1000: World's highest suspension bridge spans the Royal Gorge which was cut by the Arkansas River in this state Colorado |
| #877, aired 1988-05-31 | AMERICAN RIVERS $100: It's California's "capital" waterway Sacramento River |
| #877, aired 1988-05-31 | AMERICAN RIVERS $200 (Daily Double): The entire northern boundary of this southern state is formed by the Ohio River Kentucky |
| #877, aired 1988-05-31 | AMERICAN RIVERS $200: Lake Powell was created by damming the waters of this river Colorado |
| #877, aired 1988-05-31 | AMERICAN RIVERS $300: Hells Canyon, deepest canyon in U.S. has been carved by the Snake River in this state Idaho |
| #877, aired 1988-05-31 | AMERICAN RIVERS $400: The research corridor along the upper Rio Grande gives this state one of our country's highest % of Ph.D.s New Mexico |
| #831, aired 1988-03-28 | AMERICAN RIVERS $200: Washington, DC lies along the east bank of this river the Potomac |
| #831, aired 1988-03-28 | AMERICAN RIVERS $400: This river between Texas & Oklahoma was named for the color of the sediment it carries the Red River |
| #831, aired 1988-03-28 | AMERICAN RIVERS $600: This urban river used to flow into Lake Michigan but now flows out of it the Chicago River |
| #831, aired 1988-03-28 | AMERICAN RIVERS $800: This river covers the entire southern boundary of Indiana the Ohio River |
| #831, aired 1988-03-28 | AMERICAN RIVERS $1000: The Mohawk River is the largest tributary of this river which flows into the Atlantic the Hudson River |
| #619, aired 1987-04-23 | AMERICAN RIVERS $200: Longest American river east of the Mississippi is this tributary of the Mississippi the Ohio |
| #619, aired 1987-04-23 | AMERICAN RIVERS $400: State in which you'll find the Chicasawhay, Pascagoula & Yazoo Rivers Mississippi |
| #619, aired 1987-04-23 | AMERICAN RIVERS $600: Much of this main tributary of the Hudson, named for an Indian tribe, is part of the Erie Canal the Mohawk River |
| #619, aired 1987-04-23 | AMERICAN RIVERS $800: North America's deepest chasm, Hells Canyon, is formed by this twisting river the Snake River |
| #619, aired 1987-04-23 | AMERICAN RIVERS $1000: Ironically, this West Virginia river is believed to be the oldest in North America the New River |
| #518, aired 1986-12-03 | AMERICAN RIVERS $100: Though it divides both Massachusetts & Connecticut in 2, it's only named for 1 of them the Connecticut River |
| #518, aired 1986-12-03 | AMERICAN RIVERS $200: Longest U.S. river to share its name with a state Mississippi |
| #518, aired 1986-12-03 | AMERICAN RIVERS $400: This Florida "river" in a famed citrus-growing region is actually a lagoon the Indian River |
| #518, aired 1986-12-03 | AMERICAN RIVERS $700 (Daily Double): River forming Oklahoma's southernmost boundary & part of this tune's title:
"From this valley they say you are leavin' / We shall miss your bright eyes..." the Red River |
| #436, aired 1986-05-12 | LAKES & RIVERS $1000: Name of the river on which you'll find the Horseshoe & American falls the Niagara River |
| #1, aired 1984-09-10 | LAKES & RIVERS $400: American river only 33 miles shorter than the Mississippi the Missouri |
