mongo.js

var url = "mongodb+srv://database:aqui va la password@ip/myFirstDatabase?retryWrites=true&w=majority"
var MongoClient = require('mongodb').MongoClient;

MongoClient.connect(url, function(err, client) {
 if (err){
    console.log(err);
    return;
 }
 var db = client.db('data');
 var cursor = db.collection('ciudades').find();
 cursor.forEach(function(doc, err) {
    if (err) {
       console.log(err);
       return;
    }
    console.log(doc);
 });
 
});