Saint John's Cathedral. It is still under construction, but they say it will be the largest in the world. I can easily believe it.
Flatiron Building. Another famous spot in NYC due to its particular shape.
Huge churches look tiny next to the skyscrapers.
Many emergency posts can be found in NYC with a button to communicate with Fire and Police Departments.
Bryant Park: An oasis in the middle of the jungle.
One of the best things of Madrid is the opportunity of enjoying a walk in Retiro park, which lies in the center of the city. In fact, it is the only recognizable spot from the space, according to this image taken from the ISS by a Japanese astronaut.