Best short riddles

Beth's mother has three daughters. One is called Lara, the other one is Sara. What is the name of the third daughter?

I plow and plow, but never sow. What am I?

Thousands lay up gold within this house, but no man made it. Spears past counting guard this house, but no man wards it.

If you multiply all the numbers on the telephone, what is the answer?

Slayer of regrets, old and new, sought by many, found by few. What am I?

Billy was born on December 28th, yet his birthday is always in the summer. How is this possible?

A boy was born in 1955. He just had his 18th birthday today. How did that happen?

I am alive without breath and cold as death. I am never thirsty but always drinking. What am I?

I live in the ocean. I swim wherever I want. I sing to my family. I can breathe through a hole in the top of my head. I am a...

I am small and shy. I have eight legs. I eat bugs. I catch them in my web. I am a...