From grand canyons carved by the Colorado River to Denali’s icy peaks, show off your U.S. geography smarts without needing a GPS.
Which river along the U.S.–Mexico border has fueled enduring water-sharing disputes?
Rio Grande
Which organization, led by Clara Barton, coordinated relief efforts after the catastrophic Johnstown Flood of 1889?
American Red Cross
Besides flood control and irrigation, what primary role does Hoover Dam serve?
Hydroelectric power
Although Montpelier is Vermont's capital, which city leads the state in population?
Burlington
In which U.S. state can you find the striking Black Rock Desert?
Nevada