Image 1 - "The Palace of Fine Arts, San Francisco" by photographer J.D. Givens found here in the Library of Congress Prints and Photographs Online Catalog.
Image 2 - Photograph of the Royal Air Force aerobatic team taken by U.S. Air Force photo/Airman 1st Class Erin O' Shea, found here at the Official United States Airforce Website, Air Force Photos.
Image to the Right
"Panorama de Paris" was found here in the Library of Congress Prints & Photographs Online Catalog Tissandier Collection.