Porto is the second largest city in Portugal. It is also one of the most popular tourist destinations in the country, as well as the continent as a whole. The city is bordered by the ocean on one side and the Douro River on the other. One of the top things to do in Porto is sampling the world-renowned port wine produced in this part of the world. Read on below to find out some of the top things to do in Porto. Clerigos Tower The Tower of the Clerigos church is one of the most iconic sights in Porto. Rising above surrounding buildings to top the city’s skyline, the tower is visible from almost every part of the city. It is highly recommended that you include a visit to this attraction in your sightseeing Porto tour; an up close view of the tower and church make for an amazing sight. Church Of Ildefonso This church is definitely different to what most people are used to. The exterior façade is designed using blue tile work, resembling what you would see on prominent mosques, the interior, on the other hand, is more church like. As one of the top things to do in Porto, exploring this church gives you access to nearby attractions including the Batalha Square. The church also hosts a daily mass; interested tourists can attend while visiting this part of the city. Casa Da Musica Inaugurated in 2005, the Casa da Musica instantly became one of the most highly acclaimed architectural masterpieces the world has ever seen. Architect Rem Koolhaas designed what would be seen as a structure far ahead of its time. The building hosts a variety of shows and concerts every year. When looking for things to do in Porto, be sure to check out this landmark as well as any great performances on show. The concert hall also hosts great performances during the day with the natural lighting facilitated by the glass walls making for an amazing environment. Queijo Castle The Queijo Castle is definitely one of the top tourist attractions in Porto, and Portugal at large. This attraction is located at the coast; this was meant to help it serve its purpose of protecting the city from attacks. Over its lifetime, it has been able to survive a number of attacks. History buffs will be thrilled with a trip to this Portugal tourism site, which offers a view into the history of the area. Furthermore, those who are interested in military strategy will also be highly interested in touring this former military stronghold. Within the building, visitors will find a number of military exhibits as well. Dom Luis I Bridge Another famous landmark to include in your sightseeing Porto tour is the Dom Luis I Bridge. This attraction is deemed to be a huge part of the city’s identity. This architectural and engineering masterpiece was constructed back in 1886, and was by far, ahead of its time. The double-decker bridge was initially designed to carry opposite road traffic; however this was changed, and today the top deck carries a railway line. With the above suggestions included in your sightseeing Porto itinerary, you can be sure of having a great time in the city.