(I work at a hotel half an hour away from Niagara Falls.)

Customer: “What time do the Falls stop?”

Me: “You mean the stores? I think they’re probably closed-”

Customer: “No, no, the Falls. What time do they run until?”

Me: “The lights? I believe 10 or so–”

Customer: “No, no, I mean the actual waterfall, what time do they turn it off?”

Me: “Midnight.”

(It’s about 11:30pm, so they thank me and run out. Two hours later, they return.)

Customer: “Thanks a lot for the help earlier! I guess it was our lucky day. They didn’t turn them off yet!”