What name is given to the crater at the top of a volcano caused by its collapse?

More Questions:

Ghana is located along which gulf?

'Upon the long river" is the English translation of the name of which US state?

Who won a Nobel Prize for discovering Prions?

Who oversaw the design and assembly of the first atomic bomb?

What was the nickname of Tom Cruise's fighter pilot character in the movie "Top Gun"?

Who has been played in a movie by both Ray Liotta and D. B. Sweeney?

What are Robin Williams and Nathan Lane pretending to be in the 1996 movie "The Birdcage"?

What movie concerns the search for One-Eyed Willie's pirate treasure?

What long-running soap opera dropped the "The" in its title in 1975?

On what TV show would you find Powdered Toast Man?

In 1966, Johnny Cash briefly shared a Nashville apartment with what other country legend?

What year was John Beckley appointed as the first librarian of the US Library of Congress?

In addition to his more historic crime, Lee Harvey Oswald was charged with killing what policeman?

On the day George Washington was first inaugurated as President of the United States, how many United States were there?

What is Eddie's last name in the TV show "The Courtship of Eddie's Father"?