There are three great waterfalls in the world and all three of them straddle the borders of two countries.

The Sierra Nevada Mountains located along the eastern edge of California and part of Nevada include peaks rising between 7,000 to 14,000 feet above sea level. The Sierra Nevada’s consist of granite and sedimentary rocks uplift.

One of the most unique and inspiring natural wonders to visit in the United States is the Muir Woods National Monument located just twelve miles north of the Golden Gate Bridge in a forested valley.

When Captain George Vancouver explored the coastal areas of Alaska by sea in 1794, he saw large wilderness areas, abundant animals and marine life, and majestic mountains.

The Grand Canyon is not the largest gorge in the world. However, its natural beauty and ancient geologic formations have awed scientists and visitors for over 150 years.