On this day in history, two national parks were established in the United States 10 years apart–the Grand Canyon in 1919 and the Grand Tetons in 1929. Located in northwestern Arizona, the Grand Canyon is the product of millions of years…
On this day in history, two national parks were established in the United States 10 years apart–the Grand Canyon in 1919 and the Grand Tetons in 1929. Located in northwestern Arizona, the Grand Canyon is the product of millions of years…