In Greek mythology, Hamadryad spirits guarded what?

More Questions:

With which hand do soldiers salute?

What comes out of a hawsehole?

Alberto Tomba is a name associated with which sport?

The sleeve insignia of a First Class Petty Officer in the US Navy is a spread eagle over how many chevrons?

For whom is the left-field foul at Boston's Fenway Park officially named?

What US state has the longest coastline?

What lake was created when the Bagnell Dam was built across the Osage River?

What describes a person with no skin pigment?

Who was the first person to prove that planets move in elliptical orbits?

What is the more common name for a car engine using the "Otto" cycle?

For what movie did Dan Aykroyd receive an Oscar nomination?

What athlete had a part in the movie "The Dirty Dozen"?

Paul Revere became a hero after acting as a messenger during what war?

Approximately when was the Colosseum built?

Junko Tabei was famous for being the first woman to do what?