Some, like the Ritz Carlton South Beach's tanning butler and Hotel Monaco's pet psychic, trend toward the whimsical.

CNN: World's most outrageous hotel amenities

The amenities, in addition to the doggie spa, include a walking area ankle deep in sawdust and festooned with cherry red plastic fire hydrants (hence the odiferousness of the subterranean space), personal trainers, a doggie masseuse and even a pet psychic.

WSJ: Checking In at the Doggie Hotel

And, as I said, if either pet or owner feels in need of counseling, they can travel to the basement where Annie Germani, the dog psychic, holds court.

WSJ: Checking In at the Doggie Hotel