Control in Houston, as its historic preservation laws limit such designations to properties located within the state. The U.S. National Park Service has declined to grant it National Historic Landmark status to avoid violating the Outer Space Treaty's prohibition on any nation claiming sovereignty over any extraterrestrial body. It has not been proposed as a World Heritage Site since the United Nations Educational, Scientific and Cultural Organization (UNESCO), which oversees that program, limits nations to submitting sites within their own borders. Interest in according the site some formal protection grew in the early 21st century with the announcement of the Google Lunar X Prize for private corporations to successfully build spacecraft and reach the Moon; a $1 million bonus was offered for any competitor that visited a historic site on the Moon. One team, led by Astrobotic Technology, announced it would attempt to land a craft at Tranquility Base. Although it canceled those plans, the ensuing controversy led NASA to request that any other missions to the Moon, private or governmental, human or robotic, keep a distance of at least from the site. In 2020, the One Small Step to Protect Human Heritage in Space Act was enacted, protecting Tranquility Base and other Apollo landing sites from damage from US-licensed space activity. Gallery In popular culture Tranquility Base has been depicted in many films and television shows, such as in the 1998 mini-series From the Earth to the Moon, the 2015 series The Astronaut Wives Club, and the 2018 film First Man. Tranquility Base is referenced in "Boat on the River" (". . . all roads lead to Tranquility Base...") by the American Rock band Styx, from their 1979 album Cornerstone.Tranquility Base is referenced in indie rock band Arctic Monkeys' 2018 album, Tranquility Base Hotel & Casino'', as the location of a hotel and casino. See also Space archaeology Apollo 11 lunar sample display Apollo 11 in popular culture Statio Cognitum, the Apollo 12 landing site Tranquility (ISS module), namesake Moonbase Notes External links Surface panorama of landing site (by Armstrong), Lunar and Planetary Institute USGS Planetary Gazetteer Entry Photo Number IV-085-H1, Digital Lunar Orbiter Photographic Atlas of the Moon, showing the Apollo 11 landing site and vicinity Apollo 11 Apollo program Exploration of the Moon LQ12 quadrangle Geological type localities Buzz Aldrin Neil Armstrong 1969 on the Moon Articles containing video clips