Bosphorus Cruise: You will have a tour between the 2 continents pick the one with the better view. Bosphorus connects the Sea of Marmara and Black Sea. A great sightseeing in İstanbul. You can feed the seaguls and took amazing photos.
Gallipoli(Çanakkale): An ancient city that witnessed many epic wars. Located in Dardanelles. North of Dardanelles is Europe and the South is Asia.
Rumelian Castle: Rumelihisarı is a fortress located in Istanbul standing on a hill on the European side of the Bosphorus. It gives the name to the neighborhood around it. Rumelihisarı was built by the Ottoman Sultan Fatih the Conqueror.