Spending 4 days in Lisbon is just the right amount of time to explore the city’s historical and cultural landmarks, enjoy some delicious food and take some trips out of the city center.

6. The Belem Tower, one of Lisbon's most iconic landmarks, was built in the early 16th century and was originally a fortification to guard the entrance to the city's harbor. 7. The Jeronimos ...

However, it is also the perfect tourist activity as it passes through the popular districts of Baixa and Alfama and past significant landmarks such as the Basilica of Estrela, the Lisbon Cathedral, ...

locals Jo-Jean Keller and Marianne O’Connor led attendees on a walking tour of Lisbon Falls, which included brief stops at landmarks to hear the stories of what makes each place special.

Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Get news about destinations, plus the latest in aviation, food and drink, and where to stay. The city of Lisbon ...