Which river carved the Grand Canyon?

More Questions:

A crusiverbalist is someone who is skilled at what?

What name is given to the line running across a snooker table?

An "umiak" is the larger version of what?

What drug did Sherlock Holmes take at the start of his career?

What is the capital of Cook Islands?

Which US state is home to the southernmost reaches of the Appalachian Mountains?

What does an anemometer measure?

What is the chemical symbol for Hydrogen?

What is the five-letter name for a young dog?

On what TV show is Momcorp the world's largest megacorporation?

Who played the role of the principal in the 2007 movie "Charlie Bartlett"?

Heather O'Rourke was best known for her role in what movie franchise?

The Empire State Building went dark for 15 minutes to mark the August 2004 death of what actress?

What is James Bowie reported to have dropped into a well at the Alamo?

In Greek mythology, what were Medusa, Stheno and Euryale collectively known as?