Port-au-Prince: National Museum on display an anchor of Columbus ship, Marché de Fer Market, Quirky Hotel Oloffson to enjoy a Rum Punch, Maison Dufort gingerbread house, upscale Petionville. Port City of Cap Haitien is home to many French colonial buildings. Nearby is Citadelle Lafferière and Palace of Sans Souci (the largest fortress in the Western Hemisphere, UNESCO) that can be reached by horse a windy road up to the hilltop.