Last weekend, the National Building Museum in Washington, D.C., opened a 10,000 square-foot ball pit to the general public, and everyone cheered that, finally, someone made their childhood dreams come true.

A dead fish lies on the bank of Oder River on the German-Polish border, in Brieskow-Finkenheerd, Frankfurt (Oder), Germany, August 11, 2022. Authorities are looking into the cause of the mysterious fish deaths. (Photo by Annegret Hilse/Reuters)

Balinese dancers perform as they take part in a cultural parade, during a new year's eve celebration at a main road in Denpasar, Bali, Indonesia, 31 December 2022. (Photo by Made Nagi/EPA/EFE/Rex Features/Shutterstock)

Waves to the height of 10m reaching 20-30m at the point of impact smashed against the coastline of the idyllic coastal city of Saint Malo, France on April 10, 2024. The extreme tidal waves were the result of Storm Pierrick. (Photo by Mathieu Rivrin/Solent News & Photo Agency)

A participant, called a musher, races in the 33rd Aviemore Sled Dog Rally in Aviemore, Scotland January 23, 2016. The Siberian Husky Club of Britain is holding its annual sled dog rally over the weekend. (Photo by Russell Cheyne/Reuters)

Indonesian women wearing masks as a precaution against the coronavirus outbreak sit at a food stall near a mural in Jakarta, Indonesia, Monday, September 21, 2020. (Photo by Dita Alangkara/AP Photo)

Hamish the polar bear tries out his new enclosure at the Yorkshire Wildlife Park at Branton, Doncaster on November 6, 2020, after moving from the Highland Wildlife Park in Scotland. Hamish was the first polar bear to be born in the UK. (Photo by Danny Lawson/PA Wire Press Association)

A person watches the sunrise from the Edge observation deck at Hudson Yards on the first day of spring on March 20, 2021 in New York City. (Photo by Noam Galai/Getty Images)