A rare turquoise mosaic mask is displayed at The Britrish Museum on April 7, 2009 in London, England. The Aztec mask, originally from Mexico will be one of the key exhibits to go on show at the Moctezuma: Aztec Ruler exhibition which opens to the public on 24 September 2009. (Photo by Dan Kitwood/Getty Images)
Fuse TV VJ's Marianela and Juliya attend the store opening of “Nigo's A Bathing Ape” with Pharrell Williams January 11, 2005 in New York City. (Photo by Paul Hawthorne/Getty Images)
LOS ANGELES, CA - NOVEMBER 16: Chevrolet Camaro ZL1 convertible is unveiled at the LA Auto Show on November 16, 2011 in Los Angeles, California. The car show opens to the public on Friday and runs through November 27. (Photo by Kevork Djansezian/Getty Images)
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.
Lindsey Vonn of USA wins the bronze medal during the FIS World Ski Championships Women's Downhill on February 10, 2019 in Are Sweden. (Photo by Leonhard Foeger/Reuters)
Jean Pierre Augustin falls out of the ring after being hit by Chris Arreola during a Premier Boxing Champions Heavyweight Bout at AT&T Stadium on March 16, 2019 in Arlington, Texas. (Photo by Tom Pennington/Getty Images)
Klemens Torggler's door is an invention based on rotating squares, The special construction makes it possible to move the door sideways without the use of tracks. This technical trick opens up new applications for the door.