The World’s Smallest Horse according to Guinness World Records is Thumbelina from Missouri, but another tiny horse named Einstein.

Martin Joe Laurello, originally Martin Emmerling, was born in Germany around 1886. He was a sideshow performer who could turn his head a full 180 degrees. He performed with groups such as Ripley's Believe it or Not, Ringling Brothers, and Barnum & Bailey. He moved to America in 1921. He also trained dogs to do things such as acrobatics.

Astronaut Chris Hadfield Explains How to Wash your Hands in Space.

Blankets cover the bodies of a woman (right) and a man (left background) hit by a northbound Penn Central train (background) as they waited with a crowd at Pennsylvania Railroad station in Elizabeth, N.J. on June 8, 1968 to view the southbound train carrying the body of Sen. Robert F. Kennedy to Washington. The woman was identified as Mrs. Antoinette Severini, 54, and the man, John Curia (age unavailable), both of Elizabeth. (Photo by AP Photo)

Switzerland's Belinda Bencic celebrates after defeating Czech Republic's Marketa Vondrousova during their Tokyo 2020 Olympic Games women's singles tennis final match at the Ariake Tennis Park in Tokyo on July 31, 2021. (Photo by Yara Nardi/Reuters)

Italy's Charlene Guignard (L) and Marco Fabbri react to their score after the ice dance rhythm dance competition during the ISU World Figure Skating Championships 2023 in Saitama, on March 24, 2023. (Photo by Kazuhiro Nogi/AFP Photo)

Isabeau Levito of the United States reacts after skating in the women's free program during the International Skating Union (ISU) World Figure Skating Championships in Montreal, Canada, on March 22, 2024. (Photo by Geoff Robins/AFP Photo)

Erin Brooks of Canada surfs in the Heat 3 of the Round of 16 during the 2024 GWM Sydney Surf Pro at North Narrabeen Beach on May 12, 2024 in Sydney, Australia. (Photo by Andy Cheung/Getty Images)