In 1923 this hidden-away hall was the office of American financier John W Campbell. It later became a signalman's office, a jail and a gun storage before falling into obscurity. In 2017 it was restored to its original grandeur, complete with the stunning hand-painted ceiling and Campbell's original safe in the fireplace. Come for cocktails and you'll feel like you're waiting for Rockefeller or Carnegie to join you.
Try to book ahead Thursday to Sunday. It's a little tricky to find: take the elevator in the corridor next to the oyster bar.
