A caribbean shape that makes ships disappear

Answer: Triangle

More Difficult Riddles with answers

More Difficult Riddles

A certain wizard resided in a city made from this gemstone.
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
A device for finding furniture in the dark.
A doctor might remove one from the neck of a Dracula victim.
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
A great mysterious place that the bold have been known to journey into.
A harvest sown and reaped on the same day In an unplowed field, Which increases without growing, Remains whole though it is eaten Within and without, Is useless and yet The staple of nations.
A hill full, a hole full; yet you cannot catch a bowl full. What is it?
A hole leading in, a hole leading out, we connect to a cavern that is slimy all throughout. What are we?
A home of wood in a wooded place, but built not by hand. High above the earthen ground, it holds its pale blue gems. What is it?
A house full, a yard full, a chimney full, no one can get a spoonful.
A house has 6 stories, each the same height. How many times as long is the ascent to the sixth floor as the ascent to the third?