St. Louis Oddities & Curiosities Expo 2026

For Lovers of the Strange, Unusual & Bizarre...

DATE: May 16-17, 2026
TIME: Saturday 10AM-5PM / Sunday 10AM-5PM
LOCATION: America's Center Convention Complex- 701 Convention Plaza, St. Louis, MO 63101

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The Oddities & Curiosities Expo is the world's largest traveling oddities event showcasing hand selected vendors, dealers, artists and small businesses with all things weird. You'll find items such as: taxidermy, preserved specimens, original artwork, horror/halloween inspired pieces, antiques, handcrafted oddities, quack medical devices, creepy clothing, odd jewelry, skulls/bones, funeral collectibles & much more. We truly have something weird for everyone at our shows. All items you see at our shows are legal to own and sustainably sourced. Outside of our curated vendors, we host sideshow performers on stage all throughout the day and the opportunity to learn the craft of taxidermy with classes available during the expo.

The O&C Expo provides a safe place for anyone to come and discover new artists, meet new friends and be surrounded by an amazing community of like-minded people. We pride ourselves in being a completely "DIY" run show from start to finish. We find so much joy in being able to provide a place where you can feel at home surrounded by others that share the same interests. We are the first and original traveling event exclusively showcasing oddities vendors and dark artists in the country. We are a one of a kind event and the first to do what we specialize in. We take tremendous pride in this and hope to gain your support along the way.


Kids 12 and under are free and DO NOT NEED A TICKET. No refunds. No class ticket refunds.

Saturday hours: 10AM-5PM
Sunday hours: 10AM-5PM

Please visit our website for per city information, additional class information and times offered and more.

odditiesandcuriositiesexpo.com

Advanced General Admission: $15
Day Of General Admission: $20 (becomes available at midnight first show day)

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** CLASSES AVAILABLE AT THE EXPO **

Saturday:

Raccoon Taxidermy Class 10a-4p $325

 Sunday:

Sunset Moth Entomology Class 10a-12p $150

Scorpion Habitat Entomology Class 1:30p-3:30p $150

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Raccoon Class
$325USD

Unleash your creativity and curiosity in our Introductory Taxidermy Class! Designed for beginners, this hands-on course offers a fascinating glimpse into the art and science of taxidermy.

Class begins promptly at 10am and ends at 4pm.

We provide each student with either a skinned, cleaned, and tanned racoon, opossum, or rat hide depending on the workshop you are taking.

The first half of class is focused on preparing your form, setting the eyes, test fitting and mounting the hide, as well as grooming.

After our first 30-minute break class shifts towards plaque preparation and mounting your project.

The class runs for approximately 6 hours with two 30-minute breaks throughout the day.

For more information, please visit our FAQ page at https://thesleepingsirensoddities.com/faq

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Sunset Moths Entomology Class 
$150USD

Unlock the artistry of entomology in our Introductory Bug Pinning Workshop! This hands-on experience is perfect for nature enthusiasts, aspiring entomologists, or anyone interested in the intricate craft of insect preservation. Join us as we guide you through the techniques of preparing and pining insects, transforming them into beautiful, display-ready specimens.

The AM class will begin promptly at 10am and last 2.5 hours.

You will learn the foundational skills of bug pinning, including safe collection methods, proper handling, and the step-by-step process of pinning and mounting your specimen.

Class exclusive!: Two specimens for the price of one!

Your first specimen will be a moth or butterfly that will be used to practice your newly learned pinning technique. Once you’ve completed this step we will move on to creating your unique frame and placing your Sunset Moth in its display case.

We will familiarize you with the tools of the trade, pinning supplies, insect boxes, and preservation techniques. We’ll provide all necessary materials for your workshop experience. Explore creative ways to arrange and display your pinned insects, turning your specimens into captivating works of art that reflect your personal style.

Whether you’re looking to start a new hobby, enhance your scientific knowledge, or simply enjoy a unique artistic experience, this workshop will provide you with the skills and confidence to create your own insect displays. Join us for a fun and informative session that will deepen your appreciation for the tiny wonders of the natural world!

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Scorpion Habitat Entomology Class
$150USD

Unlock the artistry of entomology in our Introductory Bug Pinning Workshop! This hands-on experience is perfect for nature enthusiasts, aspiring entomologists, or anyone interested in the intricate craft of insect preservation. Join us as we guide you through the techniques of preparing and pining insects, transforming them into beautiful, display-ready specimens.
The PM class will begin promptly at 1:30pm

Our newly added scorpion workshop delves into the art and science of preserving and pinning a specimen with a unique exoskeleton.  In addition to creating a unique pose for your scorpion you will also create a habitat where it will be displayed.

Class exclusive!: We will be stocking extra scorpions for purchase that can be used to create a fighting scene!

We will familiarize you with the tools of the trade, pinning supplies, insect boxes, and preservation techniques. We’ll provide all necessary materials for your workshop experience. Explore creative ways to arrange and display your pinned insects, turning your specimens into captivating works of art that reflect your personal style.

Whether you’re looking to start a new hobby, enhance your scientific knowledge, or simply enjoy a unique artistic experience, this workshop will provide you with the skills and confidence to create your own insect displays. Join us for a fun and informative session that will deepen your appreciation for the tiny wonders of the natural world!

For more information, please visit our FAQ page at https://thesleepingsirensoddities.com/faq

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Join us for an engaging and educational experience that combines art, science, and a deep appreciation for biodiversity. No prior experience is necessary—just bring your curiosity and passion for the natural world! By the end of the workshop, you’ll have a stunning preserved specimen to take home and display.