Frank Lloyd Wright designed FALLINGWATER,the house located in Bear Run,Pennsylvania,in 1937. . The section of the house that extends over a natural waterfall (shown here) exemplifies Wright’s belief that a building’s form should be determined by its environment. The contrasts in the textures and colours of natural stone, concrete, and painted metal on the building’s exterior are characteristic of Wright’s innovative style. 


CENTRAL PARK  NEW YORK is the largest and most important public park in Manhattan.It occupies an area of 840 acres. It was one of the first parks to be developed using landscape architecture techniques. In  was designed by architect Andrew Jackson Downing.


MALL,looking east toward the Capitol Washington,D.C.



The Colorado River in Marble Canyon at the northeastern end of Grand Canyon National Park,