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Red Square (Красная площадь)
Red Square (Красная площадь, Krasnaya ploshchad) is Moscow's main square beneath the Kremlin's east wall, about 700 by 130 m, named for 'beautiful' in Old Russian, home to St Basil's Cathedral, GUM, and Lenin's Mausoleum, a 1990 UNESCO World Heritage site.
Redberry Lake Biosphere Reserve
Redberry Lake Biosphere Reserve (Mihkomin sâkahikan), Saskatchewan's only UNESCO MAB site, designated 2000, protects a saline lake core with pelican colonies, expanded to ~700,000 ha in 2019.
Redlisted & Blacklisted plants
Redlisted and blacklisted plants: red lists record species at risk of extinction; black lists (notably Norway's Artsdatabanken lists) record alien, ecologically risky invasive plants, distinct from legally banned species.
Redshaw Burn
Redshaw Burn: small Roman fortlet in Crawford parish, South Lanarkshire, Scotland, beside the Carlisle-to-Forth Roman road; discovered from the air in 1939, occupied 2nd/3rd centuries AD, scheduled monument SM3348.
Redwood National and State Parks
Redwood National and State Parks (RNSP): jointly managed NPS-California park complex in Humboldt and Del Norte counties, 138,999 acres, protecting the largest remaining contiguous old-growth coast redwood forest, a 1980 World Heritage Site.
Reentrancias Maranhenses
Reentrâncias Maranhenses (APA das Reentrâncias Maranhenses), a 2,680,911-hectare Environmental Protection Area on Maranhão's western coast, Brazil; Ramsar Site no. 640 (1993) and WHSRN hemispheric shorebird reserve, holding Brazil's largest continuous mangrove area.
Regent's Park
The Regent's Park, a Grade I registered Royal Park in London designed by John Nash (1811–1828) on former Marylebone Park hunting land, opened to the public from 1835, home to Queen Mary's Gardens, London Zoo, and Primrose Hill.
Regia (Italy)
Regia (Italy): ancient sacred building at the east end of the Roman Forum, traditionally King Numa's house, later the pontifex maximus's headquarters with shrines of Mars and Ops Consiva; rebuilt 148 and 36 BC.
Regianum
Regianum (Regiano): ancient Roman road station and fortified settlement in Dacia Ripensis near modern Kozloduy, Bulgaria, on the Danube road; mentioned by Ptolemy, Procopius, and the Peutinger map.
Reginum/Castra Regina
Castra Regina (Reginum, Regina Castra), the Roman legionary fortress at Regensburg, Bavaria, founded AD 179 under Marcus Aurelius for Legio III Italica; 543 x 452 m, Porta Praetoria, abandoned 470, seat of the Agilolfingian dukes.
Region de Calakmul Biosphere Reserve
Region de Calakmul Biosphere Reserve (Reserva de la Biosfera Calakmul), Campeche, Mexico: 723,185-ha tropical forest reserve decreed 1989, UNESCO MAB network 1993, core of the mixed World Heritage property with the Maya city of Calakmul, five of Mexico's six wildcat species, and Tren Maya conservation disputes.
Registan (ریگستان)
Registan (ریگستان), "sandy place" in Persian, is Samarkand's central square framed by three madrasas: Ulugh Beg (1417–1420), Sher-Dor (1619–1636), and Tilya-Kori (1646–1660), heavily restored under Soviet rule and part of a 2001 UNESCO World Heritage site.
Registered site
Registered site: an area officially registered for its unique features, described by location, boundaries, wildlife and soil data; recorded in registers such as the WDPCA, NatDA, SSSI and Natura 2000 databases.
Regulbium
Regulbium (Reculver Roman Fort), a Saxon Shore fort at Reculver, Kent, built early 3rd century AD, 180 by 175 m, guarding the Wantsum Channel; garrisoned per the Notitia Dignitatum; half lost to coastal erosion.
Reierhof
Reierhof: South Tyrolean show farm and animal park in St. Magdalena, Gsies Valley, with about 100 animals including rare breeds; also a separate farm-stay name in Innichen/Vierschach and unrelated Bavarian farms.
Remetodia
Remetodia (Orsoya/Orsoja) was a Roman road station and possible fort on the Danube in northwest Bulgaria, shown on the Tabula Peutingeriana 12 miles from Ratiaria and 4 from Almus, with a Celtic name and occupation into the sixth century.
Removal of Confederate monuments and memorials
Removal of Confederate monuments and memorials: taking down or relocating statues honoring the Confederacy, mostly erected 1890-1920 by Lost Cause groups like the UDC; removals accelerated after 2015, opposed by state monument-protection laws and divided public opinion.
Remstecken
Remstecken is a recreation area in the Koblenz city forest, Germany, featuring a partially reconstructed Roman villa rustica (1st to 3rd century AD), a wildlife park, the Waldökostation nature center, and the Forsthaus Remstecken hotel.
Remuh Cemetery, Kraków
The Remuh Cemetery is a 16th-century Jewish cemetery in Kraków's Kazimierz district, one of the oldest in Europe, holding 711 tombstones and the grave of Moses Isserles.
Ren Mound
Ren Mound, a centrally protected ASI monument at Ren village, Asothar block, Fatehpur district, Uttar Pradesh, Lucknow Circle; a mound bearing collected stone sculptures, mostly Brahmanical with some Jain figures, linked to a 10th-century temple and a Gahadavala copperplate grant.
Renaissance Monumental Ensembles of Úbeda and Baeza
Renaissance Monumental Ensembles of Úbeda and Baeza (Conjuntos Monumentales Renacentistas de Úbeda y Baeza), a serial UNESCO World Heritage site inscribed in 2003 in Jaén, Andalusia: two cities 9 km apart reshaped in the 16th century by Andrés de Vandelvira's Renaissance architecture.
Reontio
Reontio, an ancient villa and vicus at modern Rions (Gironde, France), cited as Barrington Atlas 14 E4; mentioned by Gregory of Tours in De Gloria Confessio 48; Late Antique, AD 300-640.
Repetek Biosphere Reserve
Repetek Biosphere Reserve (Repetek döwlet biosfera goraghanasy), Turkmenistan's oldest reserve, in the East Karakum Desert; station founded 1912, reserve 1927, UNESCO MAB biosphere 1979, protecting black saxaul forests and goitred gazelle.
Reptile House (Hong Kong)
Reptile House (屯門公園爬蟲館), Tuen Mun Park, Hong Kong: LCSD-run indoor reptile exhibit opened 1999, expanded to about 500 square metres in 2006, holding over 60 reptiles of 33 species with free entry and guided school tours.
Resculum
Resculum (Rucconium), the Roman auxiliary fort at Bologa, Cluj County, Romania; westernmost fort of Dacia Porolissensis, founded c. 106 AD under Trajan, garrisoned by cohors II Hispanorum, with earth-and-timber then stone phases and a Caracalla visit in 214 AD.
Reserva de la Biosfera Archipiélago de Revillagigedo
Reserva de la Biosfera Archipiélago de Revillagigedo is a Mexican biosphere reserve comprising four remote volcanic islands in the Pacific off Baja California, inscribed by UNESCO in 2016.
Reserva de la Biosfera Los Petenes
Reserva de la Biosfera Los Petenes, a 282,857 ha biosphere reserve and Ramsar site (No. 354, 2004) on Campeche's northwest coast, Mexico, protecting petenes, forest-island wetlands found only in Yucatán, Cuba, and Florida.
Reserva Nacional de Paracas
Reserva Nacional de Paracas (Paracas National Reserve), Peru's first marine protected area, created 25 September 1975; 335,000 ha in Ica region, 65% marine; Ramsar site since 1992; managed by Sernanp.
Reserva Nacional Pacaya-Samiria
Reserva Nacional Pacaya-Samiria, also known as Pacaya Samiria National Reserve, is Peru's largest national reserve, covering 2,080,000 hectares of seasonally flooded rainforest in Loreto since 1972.
Reserva Natural del Estuario del Muni
Reserva Natural del Estuario del Muni, a Ramsar site (no. 1311, 2 June 2003) of 80,000 ha in Cogo district, Río Muni, Equatorial Guinea, where the Mitong, Mitemle, and Mbante rivers reach the Atlantic through mangroves and flooded forest.