Ask a local what the most iconic structures in town are and they'll likely mention Macau Tower Convention and Entertainment Centre. It's one of the first things that'll catch your eye when you start exploring.
When you've finished exploring this Macau modern piece of architecture, why not make your way to Ruins of St. Paul's Cathedral, Senado Square, and Macau Tower? They're near Macau Tower Convention and Entertainment Centre and also a hit with travelers.