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Kalev Spa Water Park (Estonian: Kalev Spa Veekeskus) is a water park in Tallinn, Estonia. The park consists of 50 m swimming pool which is the biggest in Estonia.The park was opened in 1965. In 2019 the park was renovated.In the park there are operating Kalev Swimming School (Estonian: Kalevi Ujumiskool) and Orca Swim Club.

The Bremen Tower (Estonian: Bremeni torn) is a four-story horseshoe-shaped tower on the Walls of Tallinn in Estonia.

The massacre of Uus street was committed by German forces and local collaborators on 30 August 1941 in Tallinn, Estonia.

St. Nicholas Orthodox Church, Tallinn (Estonian: Tallinna Nikolai kirik) is an Orthodox church in Tallinn, Estonia. The church is named after Saint Nicholas. The church is chosen one of the Estonian cultural monuments being both architectural monument and historical monument.The church is built during 1820–1827. The church was designed by Luigi Rusca. The church is featured predominantly by classicism.

The Apostolic Administration of Estonia is a Latin, territorial Catholic circonscription (ecclesiastical jurisdiction) that covers the entire country of Estonia. It is an apostolic administration (quasi-diocesan jurisdiction) of the Latin Roman Catholic church in Estonia, hence is exempt (i.e. directly subject to the Holy See, not part of any ecclesiastical province) and has its cathedral episcopal see, the St. Peter and St. Paul's Cathedral, in the national capital Tallinn. The post of apostolic administrator has often been held by titular archbishops, combining it with papal diplomatic posts in Estonia, Latvia and Lithuania.

St. Peter and St. Paul's Cathedral (Estonian: Peeter-Pauli katedraal) is the cathedral church of the Roman Catholic Apostolic Administration of Estonia. It is situated on Vene street in the Old Town district of Tallinn, Estonia.

Kesklinn (Estonian for "City centre") is one of the 8 administrative districts (Estonian: linnaosa) of Tallinn, the capital of Estonia. It is situated on the Tallinn Bay and bordered to the northwest by the district of Põhja-Tallinn, to the west by Kristiine, to the southwest by Nõmme, to the east by Lasnamäe and Pirita, and to the south by Rae Parish, beyond Lake Ülemiste. The island of Aegna, located in the Tallinn Bay, also falls within this administrative district. Kesklinn has an area of 30.6 km2 (11.8 sq mi) and a population of 57,731 (As of 1 November 2014); population density is 1,886.6/km2 (4,886/sq mi). It is home to Tallinn's UNESCO-listed Old Town. Here sits the Tallinn Passenger Port and port-related business centres, including a new complex of high-rise buildings on Liivalaia Street, as well as Tartu Road and Maakri Street. Most of the city's public and cultural venues are located in Kesklinn. These include the parliament building (Toompea Castle), City Government, The Estonian National Opera, Estonian and Russian drama theatres, The National Library, Kadrioru and Kalevi stadiums and a considerable number of museums, theatres and government agencies. Real estate costs in the area are the highest in Estonia. While the population of the city and the country as a whole have fallen since independence, the population of Kesklinn has risen. One of the economy's key drivers is tourism from Helsinki, Finland, which is connected to Tallinn by rapid ferry traffic. Outside old town, there are a number of sights including Kadriorg Palace in Kadriorg, a Baroque building which was built in the 18th century by Peter I of Russia. Here also is the location of the Rotermann quarter, Tatari, Kassisaba subdistricts. Until April 2007, a bronze Soviet war monument commemorated the occupation of Estonia by the Soviet Union; however this statue was relocated, sparking protests throughout the country's vocal Russian minority and abroad. This part of the city is home to 42 parks, including Kadriorg Park, Toompark, Hirvepark, and Tammsaare Park. The coastline gulf stretches from the Linnahall to a memorial of Maarjamäe. Kesklinn has 21 subdistricts (Estonian: asum): Aegna, Juhkentali, Kadriorg, Kassisaba, Keldrimäe, Kitseküla, Kompassi, Luite, Maakri, Mõigu, Raua, Sadama, Sibulaküla, Südalinn, Tatari, Tõnismäe, Torupilli, Ülemistejärve, Uus Maailm, Vanalinn and Veerenni.

Fat Margaret (Estonian: Paks Margareeta, German: Dicke Margarethe) is a tower in Tallinn, Estonia. Nowadays, the tower is the headquarter of Estonian Maritime Museum. The tower was built in the early 16th century (from 1511 to 1530) during the reconstruction of the medieval city gate system. The etymology of the tower's name derives from the fact that it was the largest part of the city's fortifications with walls measuring 25 meters in diameter, 20 meters in height and up to 5 meters thick. Apart from being a fortification against would-be invaders to the port of the town, it was also built to impress outside visitors arriving by sea.The tower is a defensive structure at the end of Pikk tänav (Pikk Street). Together with the Suur Rannavärav (Great Coastal Gate), a sixteenth-century arch flanked by two towers, it served to defend the harbour of Tallinn. Later, it was used as a storehouse for gunpowder and weapons, and then transformed into a prison, and was the scene of an outbreak of violence during the 1917 Revolution, when the prison guards were murdered by a mob of workers, soldiers and sailors. The tower was reconstructed from 1978-1981 to house the Maritime Museum.

The Estonian Maritime Museum (Estonian: Eesti Meremuuseum) is located in the Fat Margaret tower in the old town of Tallinn. The museum presents the history of ships and navigation in Estonia and related to Estonia. Other parts of the Maritime Museum are the mine museum and the Seaplane Harbour museum where ships are presented. The museum claims to be one of the largest museums in Estonia and the most popular.

Tallinn City Museum (Estonian: Tallinna Linnamuuseum) is a city museum in Tallinn, Estonia.Museum was founded in 1937 as Historic Museum of the City of Tallinn.Since 2015 the museum co-operates with Google Inc. On October 2016 co-operation resulted from virtual Tallinn City Museum on Google Arts & Culture platform.

The Estonian Children's Literature Centre (in Estonian: Eesti Lastekirjanduse Keskus) is a centre devoted to children's literature from Estonia. It is located at Pikk 73 in Tallinn's old town and is open daily for visitors. The history of the centre dates back to 1933. The mascot of the centre is Nukitsamees (in English: Bumpy), a character in a story by Estonian author Oskar Luts.

Viru Square (Estonian: Viru väljak) was a square in the center of Tallinn, Estonia. It existed as a square until 2002 when the construction of Viru Centre began. Currently only a roundabout and an official "street name" are left of the former open area. The roundabout is the intersection of three main streets of Tallinn: Pärnu maantee (Pärnu Road), Narva maantee (Narva Road), Mere puistee (Sea Avenue); and two smaller: Viru tänav and Vana-Viru tänav (Old-Viru Street). Also, all of the four tram lines of Tallinn go through the roundabout.