This lake was created when Hoover Dam was built on the Colorado River
In Kansas more people live in this city than in Topeka & Kansas City combined
The 1842 Webster-Ashburton Treaty fixed this state's border with New Brunswick
Longer than the Mississippi, this river wasn't made navigable until the 20th century
This 10-state region isn't flat; it rises from 2,000 ft. near Omaha to 6,000 ft. at Cheyenne
The only state with areas that have a Mediterranean climate
The lower valley of the Susquehanna & its tributaries have created this large Atlantic bay
This western branch of the Appalachians runs from north central Penn. through MD., VA. & W. VA.
Raleigh, Durham & Chapel Hill are the 3 apexes of this state's famed Research Triangle
State where you can visit Hot Springs National Park & Crater of Diamonds State Park