Which 1841 ballet has been called "the Hamlet of dance"?

A gandy dancer works on what all the livelong day? What is a gap through a mountain range, like Donner, called? What would the Argentine gaucho be called in Texas? Which word names both a gazebo and an outdoor newsstand? A Geiger counter is used primarily to measure what? A gendarme has which job in France? A genetically engineered version of which produce item went on sale in 1994 under the name Flavr Savr? A génoise is a light, rich variety of which baked good?