Osborne House North Facade — Queen Victoria's Family retreat, and place of death
Photo Credit: By WyrdLight.com, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=12766661

Queen Victoria, 1882 —
Photo Credit: By Alexander Bassano - Public Domain, https://commons.wikimedia.org/w/index.php?curid=6640482

Prince Edward — Portrait by Sir William Beechey, 1818 (originally owned by Mme de Saint-Laurent) cropped
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=6364278

Prince of Wales's Lodge 259 —
Photo Credit: https://www.amazon.com/PRINCE-WALES-LODGE-No-259/dp/B0046K4FA6

King William IV (1830) —
Photo Credit: By James Lonsdale - Public Domain, https://commons.wikimedia.org/w/index.php?curid=24986779

Coronation of George IV — 19 July 1821
Photo Credit: By James Stephanoff - Public Domain, https://commons.wikimedia.org/w/index.php?curid=33359138

George IV of the United Kingdom —
Photo Credit: By Samuel William Reynolds - Public Domain, https://commons.wikimedia.org/w/index.php?curid=5830947

Interior of Horticultural Hall — Unlike the other main buildings, it was meant to be permanent.
Photo Credit: By Edward Strahan - 1875 - Public Domain, https://commons.wikimedia.org/w/index.php?curid=56542242

Main Exhibition Building — Centennial Exposition, Philadelphia (1875–76, disassembled and sold 1881). In terms of total area enclosed, 21½ acres, it was the largest building in the world
Photo Credit: By Smithsonian Institution Libraries - Public Domain, https://commons.wikimedia.org/w/index.php?curid=7341940

Map of the Exhibition complex —
Photo Credit: By Boston Public Library - Public Domain, https://commons.wikimedia.org/w/index.php?curid=26553064

Opening day ceremonies at the Centennial Exhibition — Philadelphia, PA May 10, 1876
Photo Credit: By James D. McCabe - Public Domain, https://commons.wikimedia.org/w/index.php?curid=20251367