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
Rocky Mount State Historic Site a living museum that recreates the year 1791, when William Blount was in residence as governor. It is next to the DeVault-Massengill House. Rocky Mount State Historic Site Rocky Mount, in Piney Flats, Tennessee, also known as the Cobb-Massengill House, was the first territorial capital of the Southwest Territory. The property of William Cobb, the original residence at Rocky Mount served as the territorial capital from 1790 to 1792. Dendroarchaeological investigations at the site by the University of Tennessee revealed that the present dwelling dates to the late 1820s. The property is owned by the State of Tennessee and has