Grand Canyon, Arizona, USA

Grand Canyon located in the United States in the state of Arizona is considered to be one of the seven natural wonders of the world. Having a history of billion years of the Earth's geological history, geologists believe that is was formed by the deep carving of the River Colorado. More details on the history & formation of this canyon can be found in the Wikipedia

Yosemite National Park, California, USA

Yosemite National Park located in the central eastern part of the California state of  the United States of America is a beautiful U shaped valley. Its declared as a UNESCO World Heritage Site & it attracts a lot of tourists every year. Its around 4 hrs drive from San Francisco.

Tunnel View, Yosemite National Park

Upper Yosemite Falls