Port, a fortified wine from the Douro region of Portugal, is one of the great wines of the world. With the advent of winter, a glass of Port on a chilly evening can warm your belly and heart. As the holidays near, it also makes for an excellent gift, especially if you seek out a vintage or aged tawny. However, if you truly want to get someone something even more special, here are some rarer types of Port to impress any wine lover.