Great comprehensive blog of options for the city
Visit the oldest operating library in the world! Open since 1732!
Best vantage point to see the whole city
Historic tram that takes you through the iconic neighborhoods
You can find Portugal's famous Pastel de Nata pastry all around, but this is said to be the birthplace of the recipe!
If you are a "Foodie", then Time Out Market is for you! 26 restaurant's, 8 bars...
A quick day trip outside the city
Visit the official Lisbon website if you need more ideas!