One of the highlights of any D23 Expo is the Treasures of the Walt Disney Archives. D23 curates an exhibition of interesting items (props, costumes, etc.) from the archives and takes over a large area on the second floor of the convention center to display the item.
This year’s exhibition was smaller and more focused than last year’s. There were three primary themes to this years display. The first was celebrating the 50th anniversary of the release of Mary Poppins. The second theme was looking at Disney’s long association with Oz; not just the recent release, but a number of other Oz-related projects (some that never came to completion) Disney has done over the years. And the final theme was ABC’s Once Upon a Time series.
For this exhibit, a picture is worth a thousand words, so here are the pictures.
Exhibit Entry
There was no flash photography allowed in the exhibit, and light levels were frequently low (and I did not think to bring along a tripod or monopod to steady the camera). So there are a lot of blurry photos here; I apologize for the quality).
From Harrod’s, a set of Disney-inspired dresses interpreted by famous designers.
Costumes from Alice in Wonderland
Costumes and props from Once Upon a Time
Costumes from “Once Upon a Time”
Props from “Once Upon a Time”
“Once Upon a Time” costumes
Some of the Oz-related props from earlier projects
Props from “Return to Oz”
Costumes from “Oz: The Great and Powerful”
Props from “Oz: The Great and Powerful”
Getting into the Mary Poppins section of the exhibition now
Storyboards
Concept art
Mary’s bag from Mary Poppins
One of the costumes worn by Julie Andrews as Mary
Costumes from Mary Poppins
Sherman Brothers costumes from “Saving Mr. Banks”
Walt Disney (Tom Hanks) and P.L. Travers (Emma Thompson) costumes from Saving Mr. Banks.
The Sherman Brothers with Julie Andrews and Dick Van Dyke
At the conclusion of the exhibition was a display of fan art celebrating Mary Poppins. A number of these were quite good, I only included a couple of my favorites.
My favorite fan art piece — Mary Poppins done as if from the haunted mansion’s stretching room (with Peter Pan thrown in as well)
Another clever bit of fan art
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Epic Mikey 
I loved seeing the dresses.