Mount Rushmore climbers to monitor and seal cracks annually. Due to budget constraints, the memorial is not regularly cleaned to remove lichens. However, on July 8, 2005, Alfred Kärcher GmbH, a German manufacturer of pressure washing and steam cleaning machines, conducted a free cleanup operation which lasted several weeks, using pressurized water at over . The flora and fauna of Mount Rushmore are similar to those of the rest of the Black Hills region of South Dakota. Birds including the turkey vulture, bald eagle, hawk, and meadowlark fly around Mount Rushmore, occasionally making nesting spots in the ledges of the mountain. Smaller
Mount Rushmore in popular culture of Konohagakure, in a style similar to that of Mount Rushmore (with Tsunade's face added later, in "Shippuuden". (Hatake Kakashi) and (Uzumaki Naruto) were the 6th and 7th face to be added to the mountain in the last chapter). The village was designed by Japanese manga artist Masashi Kishimoto. The fictional nuclear-equipped warship Outer Haven, in the video game "", features a Mount Rushmore-esque sculpture of the four "Snake" characters that have appeared thorough the "Metal Gear" series (Solidus Snake, Old Snake, Liquid Snake and Big Boss). In the 1994 live action version of "Richie Rich" starring Macaulay Culkin, the