If the aliens came to this part of the world, it would probably be here in the bay area. An interesting artifact they would discover is the golden gate bridge. Maybe because they could sense the electricity that surrounds the bridge. For example the creations of Silicon Valley, the gadgets, technology, the internet and the multiple sports buildings all within 50 mile range from the bridge. The Golden Gate Bridge is the beacon to multicultural immigrant’s history, the Gold Rush, and the rise of technology which had made it so popular to see. America is multicultural nation build by immigrants and that electrifying red bridge is a great artifact northern California’s success.
"Awareness of our situation must come before inner changes, which in turn come before changes in society. Nothing happens in the 'real' world unless it first happens in the images in our heads"
--Gloria Anzalduda Borderlands/La Frontera: The New Mestiza