Where is Columbus' finger really pointing at in Barcelona? What is the secret number of the Sagrada Familia? Can a telecommunications tower be used as a sundial? What enigmatic purpose did El Escorial have? What mysteries surround Las Meninas in the Prado? What is the secret to the Alhambra's decorations? How was the façade of the Guggenheim designed? Is Finisterre the end of the world? Why are all the underground maps of the world similar to the one in London? Why did Brunelleschi build one dome inside another in Florence? Why did people begin building cities in polygonal shapes? What's it like to live inside a tilted cube? What is the secret of Hagia Sophia in Istanbul? Why were the great American domes built by the Valencian artists Guastavino? What are the huge skyscrapers like? How do you achieve an auditorium with perfect sound? How did they make sure that there were always long queues at Disneyland? How are the streets of Buenos Aires numbered? What is the Great Pyramid hiding from us? Why do sea levels in Dubai rise every year? Can a foreigner take the Tokyo underground without getting lost?

Geometry for Tourists is a fun journey around the secrets, mysteries and mathematical curiosities hidden in some of the most famous cities and buildings in the world.