If your trip to Ilopango is all locked in but your itinerary is a little on the empty side, let us give you a few hints and tips.National Theater is a significant attraction in this fascinating city. Drop by and see what it's all about.Keep yourself entertained by dropping by Lake Ilopango and Plaza Libertad. If you still have tons of energy and room on your travel schedule, Palacio Nacional is also whispering your name.