let locations = [
        ["name" : "Apple Inc.",
         "latitude" : 37.33187,
         "longitude" : -122.02951,
         "mediaURL" : "http://www.apple.com"],
        ["name" : "BJ's Restaurant & Brewhouse",
         "latitude" : 37.33131,
         "longitude" : -122.03175,
         "mediaURL" : "http://www.bjsrestaurants.com"]
    ]

    var annotations = [MGLPointAnnotation]()

    for dictionary in locations {
        let latitude = CLLocationDegrees(dictionary["latitude"] as! Double)
        let longitude = CLLocationDegrees(dictionary["longitude"] as! Double)
        let coordinate = CLLocationCoordinate2D(latitude: latitude, longitude: longitude)
        let name = dictionary["name"] as! String
        let discription = dictionary["mediaURL"] as! String
        let annotation = MGLPointAnnotation()
        annotation.coordinate = coordinate
        annotation.title = "(name)"
        annotation.subtitle = "(discription)"
        annotations.append(annotation)
    }

mapView.addAnnotation(annotations as! MGLAnnotation)