Historical Marker
Convair T-29B
Historical marker location:
6000 East Valencia Road, Tucson, Arizona
( Marker can be reached from East Valencia Road, 0.3 miles west of South Wilmot Road.)
The Grand Canyon was not always a national park: The Grand Canyon was first designated a national monument by President Theodore Roosevelt in 1908, and it was not until 1919 that it became a national park. Today, the Grand Canyon is one of the most popular tourist destinations in the world.