USA, Arizona, Monumnet Valley, Hot air balloons during Balloon Festival fly over Camel Butte in the Navajo Tribal Park. The Three Sisters are at left.

USA, Arizona, Monument Valley, Two hot air balloons fly in front of the Three Sisters in the Monument Valley Balloon Festival in Navajo Tribal Park.

Germany, Berlin, Mitte, buildings beside the River Spree in the St Nicholas Quarter, the Nikolaiviertel, with the twin spired church of St Nicholas, the oldest church in the city and the Fernsehturm T...

Germany, Berlin, Mitte, the old St Nicholas Quarter, the Nikolaiviertel, with the twin spires of Nikolaikirche and the distant Fernsehturm TV Tower with sightseeing tourists walking past tourist shops...

La Sagrada Familia unfinished church designed by Gaudi. Detail of two spires topped with Venetian mosaic.