Main and secondary roads - diving, snorkeling, and shipwreck sites - biking, hiking, and kayaking trails; beaches, bays, reefs, and marinas; national parks, protected areas, mountain peaks, and other natural features - caves and fossil sites - bird watching, turtle nesting, butterfly and flamingo areas - Indian inscriptions (petroglyphs), slave-labor camps, watermills, and other historic sites - international airport, parking areas, sports arenas, medical centers, lighthouses, gas stations, places of worship, schools, police stations, post offices, and other points of interest