I like the uniqueness of Kimpton Hotels. At certain locations they will put a goldfish in your room for the kids, and even take care of it for you. (I know the picture below is not a goldfish)

https://www.ihg.com/kimptonhotels/hotels/us/en/find-hotels/offers/last-minute-deals?utm_source=loyalty&utm_medium=email&utm_campaign=LMD_2018&utm_content=book