This place is wonderful - the staff can be snotty, and it's not cheap, but fascinating all the same. And it's just a couple of hundred yards up the hill from the Port Institute (also can be snotty) but cheap tasting of some great port wines.
Rua Dom Pedro V, 89;tel 21 342-47-29;Metro: Restauradores, then take the Elevador da Gloria and turn right;Open til 2am
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