You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?

Answer: horizon

More Difficult Riddles with answers

More Difficult Riddles

You can hold it without using your hands or arms. What is it?
You can hold it without using your hands or your arms. What is it?
You can only have it once you have given it.
You can read it both ways, I wear; One way it's a number, reversed a snare.
You can spin, wheel and twist, but this thing can turn without moving. What is it?
You eat something you neither plant nor plow. It is the son of water, but if water touches it, it dies.
You get many of me, but never enough. After the last one, your life soon will snuff. You may have one of me but one day a year, When the last one is gone, your life disappears.
You have accidently left out the plug and are attempting to fill the bath with both taps full on. The hot tap takes 6 minutes to fill the bath. The cold tap takes 2 minutes and the water empties through the plug hole in 4 minutes. In how many minutes will the bath be filled?
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
You seek it out, when your hunger is ripe. It sits on four legs, and smokes a pipe.
You should keep it as straight as can be, yet very few do. Most of the time it's slightly bent or curved. Your sadness usually causes it to bend further, but don’t bend it for too long or it may never be able to fully straighten out again. What is it?
You throw away the outside, eat the inside, then throw away the inside. What is it?