What are the best ways to explore Portugal's architecture?

Portugal is a country with a rich architectural heritage, and there are many ways to explore its architecture. Here are some of the best ways:

• Take a walking tour: Walking tours are a great way to explore Portugal's architecture. There are many tour companies that offer walking tours of cities such as Lisbon, Porto, and Coimbra. These tours typically take you to the most important architectural landmarks in the city, and provide you with historical and cultural context for the buildings.
• Visit museums: Portugal has many museums that are dedicated to architecture. These museums showcase the history of Portuguese architecture, and often have exhibits on the country's most famous architects and architectural styles.
• Explore historic neighborhoods: Many of Portugal's historic neighborhoods have preserved their architectural heritage. Walking through these neighborhoods is like taking a step back in time. Some of the best historic neighborhoods to explore include Alfama in Lisbon, Ribeira in Porto, and Baixa in Coimbra.
• Visit castles and palaces: Portugal has many castles and palaces that are open to visitors. These buildings offer a glimpse into Portugal's history, and often feature unique architectural styles and decorative elements.