I can see everything from above: what kind of viewing platforms are there?

Cathedral of Christ the Savior — Cathedral of the Russian Orthodox Church (Moscow) — external reconstruction of the temple, created in the 19th century. The viewing platforms of the Cathedral of Christ the Savior (40 meters) can be climbed only as part of the tour. Photo: Wikimedia Commons

Sagrada Familia Cathedral (Barcelona) — the 170-meter-high church, built on private donations since 1882, designed by Antonio Gaudi. Presumably, the construction will be completed in 2026, 100 years after the architect’s death. Photo: Wikimedia Commons

St. Peter’s Cathedral (Vatican City)  It is the largest Vatican temple and one of the largest in the world, with a height of 136.4 m. The dome of the cathedral, created by Michelangelo, is located at an altitude of 133 meters. It is in it that there is a small observation deck accessible to tourists. Photo: Wikimedia Commons

Riverside Church (Manhattan) — an interfaith church, the construction of which was funded by John D. Rockefeller Jr. in 1930. There is an observation deck at the top of the bell tower, 120 meters above the ground. Photo: Wikimedia Commons

Cologne Cathedral (Cologne) is included in the list of the tallest churches in the world (157 meters), is a World Cultural Heritage Site. The construction was carried out in two stages: 1248-1437 and 1842-1880. During the Second World War, it became one of the few surviving buildings in the city, as it served as an unspoken landmark for pilots in Cologne. Photo: Leandro Neumann Ciuffo / flickr

St. Isaac’s Cathedral (Saint Petersburg) — the largest Orthodox church in St. Petersburg. It was built in 1818-1858 according to the design of Auguste Montferrand under the supervision of Emperor Nicholas I. The height of the cathedral is 101.5 meters. The observation deck in the cathedral’s colonnade is visited by about 500,000 people annually. Photo: Wikimedia Commons

Empire Tower in Moscow City (Moscow) — the observation deck opened in 2014 at the height of the 58th floor (238 meters). You can get to the site accompanied by a guide. Photo: Wikimedia Commons

Burj Khalifa (Dubai) — the highest observation deck in the tallest building in the world is located on the 148th floor (555 meters), the second observation deck in the building is located on the 124th floor (452 meters). Photo: Hafsteinn Robertsson / flickr

Taipei 101 (Taipei) — the height of the skyscraper is 509.2 meters along with the spire. The internal observation deck is located on the 89th floor (383.4 meters), the external one is on the 91st (391.8 meters). Photo: Wikimedia Commons

The Empire State Building (New York) was the tallest building in the world from 1931 to 1970. The height with the spire is 443.2 meters. The observation decks are located on the 86th and 102nd floors. Photo: Wikimedia Commons

The Shard (London) — the second tallest building in Europe. The top mark of 309 meters was reached in 2012. There is an observation deck and a gallery on the top floor. Photo: Wikimedia Commons

Lakhta Center (Saint Petersburg) — the year of completion is 2018, named the most anticipated skyscraper, which will become the tallest in Europe (462 meters). The observation deck will be located at an altitude of 378 meters. It is assumed that it will be accessible during the day and at night. Photo: Lakhta Center

Ostankino Tower (Moscow) — the viewing platforms are located at an altitude of 337 meters (closed) and 340 meters (open). The visit is carried out as part of an excursion group. Over 10 million people have visited the site for more than 40 years. Photo: Pavel Kazachkov / flickr

Pearl of the East (Shanghai) — the height of the tower is 468 meters. One of the main attractions of Shanghai was built in the shortest possible time — 1991-1995. At a height of 271 meters there is a rotating restaurant and bar, at a 360-meter height there is a second platform “Space Module”. Photo: kanegen / flickr

Television Tower (Saint Petersburg) — it is closed to regular visitors and is considered inaccessible to tourists, but adventurers sometimes enter there illegally with the help of private guides. The height is over 300 meters. Photo: Wikimedia Commons

TV Tower Tower Park Prague (Prague) — the tower is 216 meters high. It was built in 1992 and is still the subject of controversy due to its appearance. The observation deck is located at an altitude of 93 meters. Photo: Jan Fidler / flickr

Guangzhou TV Tower (Guangzhou) — the second tallest TV tower in the world (610 meters). It was built in 2005-2010 for the 2010 Asian Games. The hyperboloid design of the Guangzhou television tower’s mesh shell corresponds to the 1899 patent of the Russian engineer V. G. Shukhov. An outdoor observation deck is located at an altitude of 488 meters. Aerial trams (cabins) move along the perimeter of the tower. Photo: jun j / flickr

Vorobyovy Gory (Moscow) — the observation deck at an altitude of 80 meters above the ground in front of the main building of Lomonosov Moscow State University was equipped in 1953. One of the most popular attractions among the townspeople and tourists. Photo: Wikimedia Commons

Glacier Skywalk Observation Deck (Jasper National Park, Canada) — made in the form of a glass arc on the Hunerkogel rock at an altitude of 280 meters. Photo: Marc Roy / flickr

Illawarra Fly (Robertson, Australia) — A 500-meter metal path at a height of 25 meters with a view of the coast, laid along the treetops in a tropical forest. Photo: hto2008 / flickr

Sky Bridge (Malaysia) — a bridge over a chasm 700 meters above sea level. The bridge is 125 meters long and 1.8 meters wide with two triangular branches of 3.2 meters each. Photo: Dani Ihtatho / flickr

Skywalk (USA) — the site in the Grand Canyon at an altitude of 1,200 meters protrudes 20 meters above the abyss. The walls and floor are made of durable glass 10 cm thick, and visitors are given socks so as not to scratch the surface. Photo: Jonas K / flickr

The London Eye (London) — one of the largest Ferris wheels in the world (135 meters). One revolution of the wheel takes about 30 minutes. Photo: Trey Ratcliff / flickr

Ferris Wheel (Vienna) — built in 1897 by Walter Basset. The height is 64.75 meters. Photo: Lacy / flickr

Ferris Wheel (Paris) — one of the largest mobile Ferris wheels (60 meters). It was mounted in Paris on the eve of the Millennium celebrations. After being in Birmingham and Manchester in 2005, it was installed in Amsterdam (pictured), in 2007 it visited Bangkok, then in Antwerp in 2008 and in Rimini in 2013. Photo: Wikimedia Commons

High Roller (Las Vegas) — The tallest Ferris wheel in the world (167 meters) was opened to the public in March 2014. Photo: Don McCullough / flickr

Fortress Wall (Gwalior Fort) — Gwalior Fort is the second largest in India in terms of area, the length of its fortress walls exceeds 14 kilometers. It is located on a hill and rises almost 100 meters. The fort acquired its modern appearance in the XIV–XV centuries, but the fortress itself has been known since the VI–VIII century. Photo: Parth Joshi / flickr

Maiden Tower (Istanbul) — located in the Asian part of Istanbul on a small island of the Bosphorus Strait in the area of Uskyudar. The exact history of the tower is unknown. Photo: Wikimedia Commons

The Reichstag (Berlin) — In 1894-1933, the meeting place of the German state body was the Reichstag of the German Empire and the Reichstag of the Weimar Republic. Since 1999, the Bundestag, the Federal Assembly, the organ of the German People’s Representative Office, has been located there. An open observation deck on the roof is located at a height of 24 meters, closed under a dome, showing a panorama of the city. Photo: Wolfgang Staudt / flickr

The Statue of Liberty (New York) is 93 meters high from the ground to the top of the torch. The construction was completed in 1886. Photo: John O’Sullivan / flickr