Discover the historical landmarks of Cotai on the fifth day of your trip. Start by visiting the iconic Ruins of St. Paul's, a UNESCO World Heritage Site. Explore the remains of the 16th-century church and enjoy panoramic views of the city from the top of the hill. Next, visit the A-Ma Temple, one of the oldest Taoist temples in Macau. Take a walk along the picturesque Nam Van Lake and enjoy the serene surroundings. End the day with a delicious dinner at a local restaurant.