Istanbul is one of the most beautiful cities in the world. It has amazing historical sites which are sure to fill you with wonder. The thing which really makes Istanbul standout is the clash of cultures which happened in its history.It had a large Christian presence and then a large Muslim presence, thus the historical sites here belong to both eras, and present a fantastic fusion of styles. You will not run out of historical sites to see and fun things to do in this city.
When it comes to things to do in Porto, you cannot go wrong by visiting the Clerigos Tower, one of the most iconic features of the citys skyline. Get a birds eye view of the entire city from the top or explore its religious history in the Clerigos Church, a baroque style structure that dates back to the 18th century. Climbing the 240 steps will be a challenge for serious hikers, but the view from the top is worth the trek!