A pot-hole filled valley, where rains often fall; A land through which no river shall crawl. What am I?

Answer: A sieve.

More What am I ? with answers

More What am I ?

A rectangle that stands on its shortest side. Where both night & and day passes by. In & out you can see.can be covered if you most. Where the winds enter if desire. What am I?
A skin have I, more eyes than one. I can be very nice when I am done. What am I?
A storage facility for criminals and fire-breathing reptiles. What am I?
A threeletter word I’m sure you know, I can be on a boat or a sleigh in the snow, I’m pals with the rain and honor a king, But my favorite use is attached to a string. What am I?
A tool stolen but still must be made, used to explore, protect, and create. What am I?
A very pretty thing I am, fluttering in the pale-blue sky. Delicate, fragile on the wing, indeed I am a pretty thing. What am I?
Above the kingdom I reign, Spotted, speckled, with a mane, I travel in packs, And if you’re lucky, you’d ride me. What am I?
After booming and zapping is when I emerge, to bring you bright dazzling beauty when I diverge. Some say that I hide enormous wealth, but those riches have always proven stealth. What am I?
Against the sun, I protect your eyes and am often worn on the face of spies. What am I?
Agile on my feet, I drive dogs mad. I flick my tail when I'm angry and hum when I'm glad. What am I?
Alcohol makes me thrive and multiply, yet water will kill me. What am I?
All day long it's in and out. I discharge loads from my shaft. Both men and women go down on me. What am I?