Take a tour of the top 5 attractions of Luxembourg. I'd like to show you the top 5 attractions of Luxembourg. Old town - Luxembourg city is the heart of this small country. In the old town, you'll find pedestrian friendly alleys with bustling bars, restaurants, and entertainment. Grand Ducal Palace - A famous landmark of Luxembourg City, the Moorish-styled palace was built in the 16th century. Today, it's the official residence of the Grand Duke. Notre Dame Cathedral - This beautiful cathedral has been built in gothic style along with some renaissance elements and its ornate interior has great works of art. Neumunster Abbey - As one of the most important historical landmarks of Luxembourg, the Neumunster abbey has long and rich history dating back hundreds of years. Vianden Castle - This stunning castle is 30 miles away from Luxembourg City. Over 700 years old, the magnificent and majestic complex simply takes your breath away.