Good Riddles

Question: No matter how much rain comes down on it it won't get any wetter.

What is it?

Question: It's got twists and turns, but has no curves.
Twist it to fix it, turn it to ruin it.

What is it?

Question: A man shaves several times a day, yet he still has a beard.

Who is this man?

Question: You may always chase me but you are always about 3 miles away.

What am I?

Question: A dad and his four boys stand in line.
All crowned, they toil in darkness.
Another family they see, two birds of a feather.
All of them together clad in leather.

What are they?