The Yukon River flows through Canada and which US state before reaching the Bering Sea?

What is the largest lake located entirely within Canada?

The St. Lawrence River connects the Great Lakes to which ocean?

Lake Powell, popular for houseboating, sits behind which dam on the Colorado River?

In which state is Shoshone Falls, which is taller than Niagara and nicknamed the Niagara of the West, located?

Hells Canyon, the deepest river gorge in North America, was carved by which river?

Lake Champlain lies between New York and Vermont, and which Canadian province?

The Continental Divide separates rivers flowing to the Atlantic Ocean from those flowing to which other ocean?

After forming the Texas-Mexico border, the Rio Grande empties into which body of water?

Reelfoot Lake in Tennessee was formed by what kind of natural event in 1811 and 1812?