Kings and queens won't let it fall, But a jack hit his and lost it all, It used to name a minted wealth, But now is meant for oral health.

I hold water, not food, for outdoor travelers Strapped to their belt, I’m an essential companion I am often made of plastic or metal Though I once could be made of gourds or leather

I am a rock group with four members. All dead, one was assassinated. What am I?

From the Fun Historical Riddles department: Where was the Declaration of Independence signed?

A natural hole in the wall, or a void buried and warded A site of memory for time before history recorded