Near the Stock Palace and the Douro River is another UNESCO World Heritage site that is well worth visit while in Porto, the Monument Church of St Francis, or Igreja Monumento de São Francisco. This church built around the 14th century has one of Europe's most sumptuous and extravagant interiors. Here, all that glitter is, in fact, gold! Its interior is covered in gilded woodwork, and rumour has it that it was used around 400 to 600 kg of gold to decorate it. Hence why the St Francis Church is also known as "The Golden Church". Another highlight of this church is its impressive Tree of Jesse, a wooden sculpture carved by Filipe da Silva and António Gomes in 1718 depicting the ancestors of Jesus Christ, shown in a branching tree — considered to be one of the best in the world of its kind. Under the church, you will find the catacombs, where the Franciscan monks along with the members of Porto's noble families are buried.

This is where the original Declaration of Independence, Constitution, and Bill of Rights live. Stepping into the Rotunda for the Charters of Freedom, you’re literally standing in front of the documents that shaped this nation. Beyond the Rotunda, the museum has exhibits on American history and government that are easy to explore if you want to spend more time.

Medieval tower discovered during the demolition work of several buildings around the Sé Cathedral and then reconstructed 15 metres away from its original position. Today, this restored and fortified medieval tower is home to the Porto Tourism Office.

For some cultural entertainment, add Fort Myers' Art Walks and Music Walks to your agenda: these free happenings animate the social scene of the downtown River District at fixed times every month, while shops, art galleries and restaurants stay open until late at night, providing drinks on the sidewalk. The Art Walk takes place every first Friday of the month, 6pm–10pm, and takes you to 13 art galleries that offer self-guided tours and meet-ups with the artists. The Music Walk starts every third Friday of the month at 7pm, with bands and singers taking over the streets, performing in a wide range of music genres.