Top 10 Strange Conventions has put together this list of what just might be the world's strangest conventions. How many have you heard of?

1. World Toilet Summit & Expo
Laugh all you want, but their objectives are actually quite altruist: bringing sanitation and clean water to the 2.5 billion people around the world who still need it.

2. Twins Days Festival
Starting in 1976, Twinsburg, Ohio's Twins Days Festival is held every year on the first weekend of August. Almost 3,000 people attend each year.

3. Celebrity Impersonators Convention
More than 150 dynamic doppelgängers, who perform in stage shows, get together every year at the Celebrity Impersonators Convention in Las Vegas.

4. Xena Warrior Princess Convention
Fans of Xena Warrior Princess have been attending conventions in her name since 1996, and there's a big one in Los Angeles every year.

5. International UFO Congress Convention
Usually held in Laughlin, Nevada, since 1991, this week-long event usually has over thirty speakers, a Film Festival, tons of vendors and experiencer sessions and has become the conference of the year that people look forward to going to and networking with researchers while reconnecting with friends.

6. ScareFest Horror and Paranormal Convention
The Scare Fest is the largest Horror and Paranormal Convention in the USA where you will be able to experience three horror-filled-days in November, usually at the Lexington Center in Lexington, Kentucky.

7. Judy Garland Festival
Since 1975, Grand Rapids, MI has been cashing in on Judy Garland's fame with a June festival full of authors and scholars discussing her life and career, a screening of the famous film, collectors and vendors peddling their wares, plus a gala dinner with a silent auction of various Garland and Oz memorabilia.

8. International Cake Exploration Societé Convention
Over 4000 sugar artists, cake decorators and vendors from all over the world are registered at the ICES and most get together at their annual convention, where the festivities include browsing among hundreds of elaborately decorated display cakes.

9. Blobfest
Remember the 1958 movie "The Blob"? Since 2000, the town of Phoenixville, Pennsylvania — one of the filming locations — has held an annual "Blobfest."

10. Sexpo
Sexpo is Australia's expo about adult entertainment, sexuality, and lifestyles. Who knew?

Source: Oddee