I am a mountain that loses my temper, and when I do, molten rock and ash bury whatever is near. What am I?

I was first dreamed up in a 1920s play whose name means forced labour, and I do only what my code commands. What am I?

I am built of stone with a moat and a drawbridge, and I was made to keep armies out, not just royalty in. What am I?

I am the heavy metal hook that holds a ship still, and a steady, dependable person shares my name. What am I?

A famous inventor once flew me in a storm to catch lightning, and I need a good wind to stay up. What am I?

I stand guard on rocky shores, sweeping a beam through the night so ships steer well clear of me. What am I?

I store months of water inside me, I wear a coat of needles instead of leaves, and I thrive where nothing else will. What am I?

I breathe fire in Western tales but bring good luck in Eastern ones, and knights were sent to slay me. What am I?

Pirates bury me and mark my spot with an X, and I brim with gold and jewels. What am I?

Galileo used me to spot the moons of Jupiter, and I pull the distant stars right up to your eye. What am I?

I was the first craft ever to carry people into the sky, and I rise only because the air inside me is hot. What am I?

My needle is tugged by the Earth itself to point north, so you never lose your way. What am I?

I am built from blocks of snow, yet I trap enough warmth inside to keep you cozy in a blizzard. What am I?

I am said to be someone who did not quite leave, I drift through solid walls, and I love to shout boo. What am I?

My great sails catch the wind to grind grain or pump water, and Holland is famous for me. What am I?

I dive deep below the waves, I hunted ships in two world wars, and I peek at the surface through a periscope. What am I?