Knowledge Adventure

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Knowledge Adventure

Built wonders

Twenty famous structures from around the world, among them towers, bridges, palaces, churches and a museum. Each entry says what it is and where it stands, with a source link.

The card game to explore these worlds is coming online soon. Until then, you can read every card here with its source.

Empire State Building

Empire State Building
Photo: Sam Valadi · CC BY 2.0 · Wikimedia Commons

Empire State Building: skyscraper. Location: New York.

It has 102 floors and opened in 1931.

Source

Golden Gate Bridge

Golden Gate Bridge
Photo: © Frank Schulenburg · CC BY-SA 4.0 · Wikimedia Commons

Golden Gate Bridge: suspension bridge. Location: San Francisco.

Opened in 1937; its colour is called ‘International Orange’.

Source

Louvre

Louvre
Photo: Benh LIEU SONG (Flickr) · CC BY-SA 3.0 · Wikimedia Commons

Louvre: art museum. Location: Paris.

The most visited museum in the world; it began as a royal fortress and palace.

Source

Sydney Opera House

Sydney Opera House
Photo: Bernard Spragg. NZ from Christchurch, New Zealand · CC0 · Wikimedia Commons

Sydney Opera House: performing arts centre. Location: Sydney.

Designed by the Danish architect Jørn Utzon and opened in 1973.

Source

Brooklyn Bridge

Brooklyn Bridge
Photo: Christian David · CC BY-SA 4.0 · Wikimedia Commons

Brooklyn Bridge: bridge over the East River. Location: New York.

When it opened in 1883, it was the longest suspension bridge in the world.

Source

Palace of Versailles

Palace of Versailles
Photo: ToucanWings · CC BY-SA 3.0 · Wikimedia Commons

Palace of Versailles: historic palace. Location: Versailles.

The king and his court lived here from 1682 until 1789.

Source

Sagrada Família

Sagrada Família
Photo: Canaan · CC BY-SA 4.0 · Wikimedia Commons

Sagrada Família: church designed by Antoni Gaudí. Location: Barcelona.

Construction began in 1882 and is still not finished.

Source

Notre-Dame de Paris

Notre-Dame de Paris
Photo: Ali Sabbagh · CC0 · Wikimedia Commons

Notre-Dame de Paris: medieval cathedral. Location: Paris.

A fire destroyed its spire and roof in 2019; it reopened in December 2024.

Source

Neuschwanstein Castle

Neuschwanstein Castle: nineteenth-century palace. Location: Bavaria.

Built for King Ludwig II of Bavaria; it inspired Disneyland’s Sleeping Beauty Castle.

Source

Flatiron Building

Flatiron Building
Photo: Imelenchon (original work) · Public domain · Wikimedia Commons

Flatiron Building: triangular building. Location: New York.

Its triangular plot gives it the shape of an old clothes iron, hence the name.

Source

Alhambra

Alhambra
Photo: Jebulon · CC0 · Wikimedia Commons

Alhambra: palace and fortress complex. Location: Granada.

Its name comes from the Arabic for ‘the red one’, after the colour of its walls.

Source

Hagia Sophia

Hagia Sophia
Photo: Adli Wahid · CC BY-SA 3.0 · Wikimedia Commons

Hagia Sophia: mosque, built as a church in 537. Location: Istanbul.

For more than 500 years it was the largest church in the world.

Source

St. Peter’s Basilica

St. Peter’s Basilica
Photo: Alvesgaspar · CC BY-SA 4.0 · Wikimedia Commons

St. Peter’s Basilica: Renaissance church. Location: Vatican City.

One of the largest churches in the world; Michelangelo designed its dome.

Source

Atomium

Atomium
Photo: Trougnouf (Benoit Brummer) · CC BY 4.0 · Wikimedia Commons

Atomium: building constructed for Expo 58. Location: Brussels.

102 metres tall; its nine spheres form an iron crystal enlarged 165 billion times.

Source

Brandenburg Gate

Brandenburg Gate
Photo: Thomas Wolf, www.foto-tw.de · CC BY-SA 3.0 · Wikimedia Commons

Brandenburg Gate: neoclassical monument. Location: Berlin.

Built from 1788 to 1791; on top stands a chariot drawn by four horses, the Quadriga.

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Reichstag building

Reichstag building: historic parliament building. Location: Berlin.

Since 1999 it has housed the German parliament; visitors can walk up inside its glass dome.

Source

Mont-Saint-Michel

Mont-Saint-Michel
Photo: Amaustan · CC BY-SA 4.0 · Wikimedia Commons

Mont-Saint-Michel: tidal island. Location: Normandy.

The tide here can rise and fall by about 14 metres.

Source

Burj Khalifa

Burj Khalifa
Photo: imran shahabuddin · CC BY 2.0 · Wikimedia Commons

Burj Khalifa: skyscraper. Location: Dubai.

About 828 metres tall: the tallest building in the world.

Source

Alcázar of Seville

Alcázar of Seville
Photo: Ajay Suresh from New York, NY, USA. Edited by MenkinAlRire · CC BY 2.0 · Wikimedia Commons

Alcázar of Seville: royal palace. Location: Seville.

The Spanish royal family still uses its upper floors when visiting Seville.

Source

Belfry of Bruges

Belfry of Bruges
Photo: Adiel lo · CC BY-SA 3.0 · Wikimedia Commons

Belfry of Bruges: medieval bell tower. Location: Bruges.

366 steps lead to the top of the 83-metre tower, which holds 47 bells.

Source