This image begins a series of views of the famous Zion National Park near Springdale, Utah. This is an image of one of the entrances to the park.
Kodachrome Reproduction by Mike Roberts
The description states:
ENTRANCE GATE TO ZION NATIONAL PARK, UTAH
More than half a mile deep, half a mile wide at the bottom and a mile wide from crest to crest, Zion Canyon is the best-known example of a deep, narrow vertically-walled gorge readily accessible.
–This image likely dates from the 1950s.