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Underground Atlanta
Underground Atlanta, also called the City Beneath the Streets, is a historic downtown Atlanta entertainment district beneath 1920s viaducts; opened 1969, closed 1980, reopened 1989 for $142 million, sold to Lalani Ventures for $31 million in 2020.
Underground Shrine (Paestum)
Underground Shrine (Sacello Ipogeico, Heroon of Paestum): a sealed ~510 BC stone chamber on the agora of Poseidonia-Paestum, Italy, holding bronze jars whose 2025 analysis confirmed honey, interpreted as a founder's cenotaph.
Underwater Paradise Aquarium
Underwater Paradise Aquarium (水中楽園Aquarium) is a goldfish-focused public aquarium at the Tokinosumika resort in Gotenba, Shizuoka, Japan, displaying about 200 species and 4,500 goldfish; distinct from the unrelated Aquarium Paradise in Bengaluru, India.
Unique Henan: Land of Dramas
Unique Henan: Land of Dramas (只有河南·戏剧幻城) is China's first panoramic immersive drama theme park, opened June 2021 in Zhongmu, Zhengzhou; 21 theaters, 328 m walled grid, nearly 1,000 actors, built with Jianye Group and director Wang Chaoge.
Unite the Right rally
The Unite the Right rally was a white nationalist rally in Charlottesville, Virginia, in August 2017, held to protest the removal of a Robert E. Lee statue.
United Daughters of the Confederacy
The United Daughters of the Confederacy (UDC) is an American hereditary women's organization, founded in 1894, known for Confederate monuments and promoting the Lost Cause.
United States Botanic Garden
United States Botanic Garden (USBG), a living plant museum at the U.S. Capitol in Washington, D.C.; oldest continuously operating public garden in the U.S., established by Congress in 1820, administered by the Architect of the Capitol since 1934, free admission, over one million annual visitors.
United States Fish and Wildlife Service
The United States Fish and Wildlife Service (USFWS) is a Department of the Interior agency that conserves fish, wildlife, and habitats and administers 570 national wildlife refuges.
Unity Park
Unity Park (አንድነት ፓርክ) is a public park and heritage attraction in the Grand Palace compound in Addis Ababa, Ethiopia, opened to the public on October 10, 2019.
Universal Epic Universe
Universal Epic Universe is Universal Orlando Resort's fourth theme park, opened May 22, 2025, the first major Orlando park in 25 years, with five worlds including Celestial Park, Super Nintendo World, and Dark Universe.
Universal Kids Resort
Universal Kids Resort is Universal Destinations & Experiences' first theme park for families with young children (ages 3-8), in Frisco, Texas, opened July 1, 2026, with seven themed lands and a 300-room hotel.
Universal Orlando
Universal Orlando Resort: NBCUniversal/Comcast theme-park resort in Orlando, Florida. Four theme parks (Universal Studios Florida, Islands of Adventure, Epic Universe opened May 2025), Volcano Bay, CityWalk, 11 hotels; 20.6M visitors in 2024.
Universal Studios Florida
Universal Studios Florida is the original Universal Orlando theme park, opened June 7, 1990 as a $600 million studio-theme park. Known for Diagon Alley, screen-based rides, live shows, and 9.5 million 2024 visitors.
Universal Studios Singapore
Universal Studios Singapore (USS) is a 20-hectare movie theme park in Resorts World Sentosa on Sentosa Island, opened March 2010 as Universal's fourth park worldwide and Southeast Asia's first, with seven themed zones, Battlestar Galactica dueling coasters, and Minion Land added in 2025.
Universal United Kingdom
The Universal United Kingdom Resort is a planned theme park and resort developed by Comcast NBCUniversal. Located at Kempston Hardwick near Bedford, it aims to open in 2031.
University and Historic Precinct of Alcalá de Henares
University and Historic Precinct of Alcalá de Henares (Universidad y recinto histórico de Alcalá de Henares), UNESCO World Heritage Site since 1998, dossier 876, criteria ii, iv, vi; world's first planned university city, founded by Cardinal Cisneros in 1499, birthplace of Cervantes.
University Botanical Garden
The University Botanical Garden (Botanisk hage), Norway's oldest botanical garden, was established in 1814 at Tøyen in Oslo and is part of the University of Oslo's Natural History Museum.
University of Coimbra – Alta and Sofia
University of Coimbra – Alta and Sofia: UNESCO World Heritage Site (2013, criteria ii, iv, vi) in Coimbra, Portugal, uniting the hilltop Alta and the 1535 Rua da Sofia college street; enlarged 2019 with the Machado de Castro National Museum.
University of Oxford Botanic Garden
University of Oxford Botanic Garden, founded 1621 by Henry Danvers, Earl of Danby, is the UK's oldest botanic garden, a physic garden on the Cherwell with nearly 5,000 species, sister site Harcourt Arboretum, and Grade I registered status.
Unlabeled monuments in BAtlas 32 E3
Unlabeled monuments in BAtlas 32 E3: unnamed monument clusters in grid square E3 of Barrington Atlas map 32 (Carthago), northern Tunisia, each of 15 monuments, recorded in Pleiades as untitled place resources created by R.B. Hitchner in 2011.
Unlabeled monuments in BAtlas 32 E4
Unlabeled monuments in BAtlas 32 E4 is a Pleiades gazetteer entry (ID 208942243) recording 15 unnamed monuments and 2 walls on Barrington Atlas map 32 (Carthago), grid square E4, northern Tunisia, citing Ferchiou 1990.
Unstan Chambered Cairn
Unstan Chambered Cairn (Knowe of Onston), a 5,000-year-old Neolithic hybrid stalled/Maeshowe-type burial cairn by the Loch of Stenness, Orkney; excavated 1884 by Clouston, type site of Unstan Ware pottery.
Unteres Murtal / Lower Mura Valley Biosphere Reserve
The Unteres Murtal (Lower Mura Valley) Biosphere Reserve is a UNESCO biosphere reserve in southeastern Styria, Austria, designated in 2019, covering 13,180 hectares along the lower Mura River.
Untersberg
The Untersberg is a karst limestone massif of the Berchtesgaden Alps on the Austrian-German border southwest of Salzburg, rising to 1,972 m and supplying most of the city's drinking water.
Up Town
Up Town (Arabic: اب تاون) is an entertainment and shopping complex in Damascus, Syria, opened in 2014 with a mall, amusement park, restaurants, and sports facilities on 38,000 square meters.
Upper Ganga River
Upper Ganga River (Ramsar site 1574) is an 85 km, 26,590 ha Ganges stretch from Brijghat to Narora, Uttar Pradesh, designated 8 November 2005; India's only riverine Ramsar site, habitat of the endangered Ganges river dolphin, gharial, and 82 fish species.
Upper Middle Rhine Valley
Upper Middle Rhine Valley (Oberes Mittelrheintal), 65 km UNESCO World Heritage cultural landscape between Bingen/Rüdesheim and Koblenz, Germany, inscribed 2002 under criteria ii, iv, v; 60 towns, about 40 castles, terraced vineyards.
Upper Mississippi River Floodplain Wetlands
Upper Mississippi River Floodplain Wetlands, Ramsar site 1901, a Wetland of International Importance in Minnesota, Iowa, Wisconsin, and Illinois, centered on the 261-mile, 240,000-acre Upper Mississippi River National Wildlife and Fish Refuge and its backwater lakes, floodplain forests, and marshes.
Upper Navua Conservation Area
The Upper Navua Conservation Area (UNCA) is a 615-hectare protected river gorge in Serua Province, Fiji, created in 2000 and designated in 2006 as Fiji's first Ramsar site.
Upper Nile (protected area)
Upper Nile (KBA 6198) is a confirmed Key Biodiversity Area on ~190 km of the Nile between Luxor and Kom Ombo, Egypt, a riverine wetland holding Egypt's largest wintering waterbird concentrations, threatened by pollution, disturbance, and bank engineering.