Sideshow (noun)

A secondary or subsidiary exhibition or attraction accompanying a circus or fair, often featuring bizarre or sensational acts.

Origin:

From side +‎ show.

Examples:

1. The sideshow was filled with freaks, acrobats, and performing animals.
2. The sideshow was the highlight of the circus for many people.
3. The sideshow performers amazed the crowds with their incredible skills.
4. The sideshow was known for its outrageous stunts and dangerous acts.
5. Despite its reputation as a sideshow, many people still flocked to see the performances.