Most popular underground routes Belgium Most popular underground routes Belgium Underground routes Belgium mapSee on the map Underground routes Belgium by region Flemish Region Underground routes Belgium by popularity rating +ANTWERPBelgiumUnderground route De RuienOther categories:MuseumsChurchesPublic squaresCastlesMonumentsStreetsCathedralsBeachesAnimalsGardensParksMonasteriesMilitary museumsFountainsLookoutsBridgesFortressesPalacesBotanical GardensCavesNatural history museumsAquariums