Lisbon is the capital and largest city of Portugal, having the most active port of the European Atlantic coast. Its Old Center is in decline demographic but they work hard to renovate the palaces and the museums because there are many unhealthy housing. Avenue De la Liberdade is considered one of the most expensive streets on a world scale. The city is known for its typical trams and funiculars.
You can buy a rechargeable card and ask for the Pass 24 to have unlimited access to public transport for 24 hours.
Do not forget to visit the Alfama district with its winding and steep alleys and its Moorish heritage: a jewel.
To have one of the most beautiful views of the city, visit the St-George Castle.
You can take the elevator from the castle which is free.
If you are there on a Tuesday or Saturday, visit the Feira da ladra, where you will find typical handicrafts, azulejos, clothes, etc.