Ringling Bros. and Barnum & Bailey Circus to shut down

Ringling Bros. and Barnum & Bailey Circus plans to shut down "The Greatest Show on Earth."

The 146-year-old show will have its final performance in May.

Kenneth Feld, the chairman and CEO of Feld Entertainment, the producer of Ringling, announced the news on the company website Saturday. He cited declining ticket sales that dipped even lower after the company retired its touring elephants.

"This, coupled with high operating costs, made the circus an unsustainable business for the company," Feld said.

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