Did you hear about the man who collapsed while climbing Mt. Everest? The authorities just found __________ there. Update: the man was taken to the base camp and has fully recovered. So no climbers were harmed in the making of this riddle.

I am a quiet green place between two hills, often with a stream running through me. What am I?

Tall and thin, jutting high into the sky, you can find these on castles, in no short supply.

I am a giant, growing mass, Growing larger as hours pass. My tip is what I show, While my biggest part stays hidden below. I will break your bottom and rock your world, A night of excitement now unfurled.

I am a subterranean chamber that swallows cold rain and spits boiling fury, tearing through the skin of the earth. Unlike a volcano that bleeds liquid fire, I only erupt with superheated water and blinding steam. Some of my kind scream every few minutes, while others sleep for centuries. What am I?