I have many ribs but no lungs, and I stand tall to keep you safe. I am a wall made of many parts, yet you can see the sky through my gaps if you stand close. I am often made of wood, sharpened at the top like a row of pencils, meant to discourage a climb. I am not a building, but I define where the building begins. What am I?

For six days straight, I toiled away. On the seventh, I took a vacay.

Invisible force that topples kings, fuels stars, and whispers through wires; it grants strength to those who have it. Wars begin and end because of men and their need for more of this.

The origin of sabotage My soul is from the trees If the path's too rocky Then the Dutch might lend you these And Sherlock Holmes would find my mark A most intriguing clue Could it be more obvious? I am a...

Built to defend, to stand, to fight, with walls that hold through day and night.