WBelgrade Fortress, consists of the old citadel and Kalemegdan Park on the confluence of the River Sava and Danube, in an urban area of modern Belgrade, the capital of Serbia. It is located in Belgrade's municipality of Stari Grad. Belgrade Fortress was declared a Monument of Culture of Exceptional Importance in 1979, and is protected by the Republic of Serbia. It is the most visited tourist attraction in Belgrade, with Skadarlija being the second. Since the admission is free, it is estimated that the total number of visitors is over 2 million yearly.
WKalemegdan Park or simply Kalemegdan, is the largest park and the most important historical monument in Belgrade. It is located on a 125-metre-high (410 ft) cliff, at the junction of the River Sava and the Danube. Its name is formed from the two Turkish words: Kale and archaic word of Turkish origin megdan.
WBelgrade Planetarium is one of two planetariums in Serbia. It is located in Belgrade and is operated by the Astronomical Society Ruđer Bošković. Before 1967 it was known as the "Turkish bath in Lower Town".
WThe Despot Stefan Tower or Dizdar Tower is a structure in Belgrade, Serbia, built ca. 1405, a couple of years after the city became the capital of Serbian Despotate under Despot Stefan Lazarević.
WThe Military Museum is a museum located in Belgrade, the capital of Serbia. Founded in 1878, the museum has over 3,000 ancient and modern items. These include Roman swords and helmets, Greek helmets and daggers, Serbian heavy knight's armor, axes, shields, helmets, crossbows, armoured gloves, as well as Western medieval weapons. There are also more modern guns, firearms, and elements of soldier's uniforms and equipment. Dioramas, plaques, and displays illustrate the use and historical context of the museum's collection.
WRužica Church is a Serbian Orthodox church located in the Belgrade Fortress, in Belgrade, the capital of Serbia. Original church was built in the early 15th century, while the modern one was adapted in 1869 and fully reconstructed in 1925. It is dedicated to the Nativity of Mary. With its location within the fortress and water spring of Saint Petka, constant crowds of visitors especially on Saint Petka's feast day, and unorthodox appearance, it is considered one of the "best loved churches among the adherents".
WTomb of People's Heroes in Belgrade is located underneath the walls of the Belgrade Fortress. It holds the remains of four recipients of the Order of the People's Hero of SFR Yugoslavia.