One of Turkey's most famous landmarks is the Blue Mosque in Istanbul, with the six minarets.
A New York city landmark, at more than a quarter of a mile up in the sky, in the heart of Manhattan.
Eixample is a must see area for all architectural aficionados visiting Barcelona.
You cannot go to Barcelona without tasting some of the world's most superb architecture, created by Antoni Gaudí.
A controversial fountain since it was completed in 1971, being called a "howling obscenity".
