Parks, protected areas, and geographic heritage sites

Oti-Keran/Oti-Mandouri Biosphere Reserve

Oti-Keran/Oti-Mandouri Biosphere Reserve, Togo's first UNESCO MAB biosphere reserve (designated 2011), a 179,000 ha savanna-wetland complex and elephant corridor to the W-Arly-Pendjari system, found non-compliant in its 2025 periodic review.

Otway National Park

Great Otway National Park (Otway National Park), Victoria, Australia: coastal and forest park along the Great Ocean Road from Torquay to Princetown; established 1981, expanded 2002; waterfalls, Great Ocean Walk, managed by Parks Victoria and GORCAPA.

Oudenburg

Oudenburg (Aldenborg) Roman coastal fort, West Flanders, Belgium: five fort periods from the late 2nd to early 5th century AD, Saxon Shore castellum with stone fort of the 260s, reoccupied after 379/380, abandoned around 410.

Oueme Lower Valley Biosphere Reserve

Oueme Lower Valley Biosphere Reserve (RB-BVO), Benin: UNESCO MAB site designated 2020 on the south-eastern Atlantic coast, a Dahomey Gap wetland of 333,721 ha with 2.3 million people, mangroves, manatees and stilt villages.

Oulanka National Park

Oulangan kansallispuisto (Oulanka National Park), a 1956 Finnish national park in Kuusamo and Salla, protects the free-flowing Oulankajoki and Kitkajoki rivers, calcareous-rich biodiversity, and the 82 km Karhunkierros Trail; Ramsar site 1525 and Natura 2000 FI1101645.

Oust

Oust, river in Brittany, France (l'Oust), flowing to the Vilaine near Redon; partly canalized in the Nantes-to-Brest canal (1806 project, 360 km, 238 locks). Known for granite quarries like Carrière du Houssac (closed 1930) and megalithic sites.

Ouzounboudjak Biosphere Reserve

Ouzounboudjak (Uzunbudzhak, Узунбуджак) is a UNESCO biosphere reserve in Bulgaria's Strandzha mountain, first designated 1977 and re-approved 2017, covering Malko Tarnovo municipality with core, buffer, and transition zones.

Øvre Stabu

Øvre Stabu, farm in Østre Toten, Oppland, Norway; findspot of the early runic lance head inscribed raunijaz (KJ31, AD 210–240), an ambiguous bronze fibula inscription, and the Stabu picture stone.

Oxapampa-Ashaninka-Yanesha Biosphere Reserve

Oxapampa-Ashaninka-Yanesha Biosphere Reserve (BIOAY), a UNESCO MAB reserve designated 2 June 2010 in Pasco, central Peru, covering 1,774,090 ha of Tropical Yungas with Yanachaga-Chemillén National Park and three other protected areas.

Pa Sak Chonlasit Aquarium

Pa Sak Chonlasit Aquarium (สถานแสดงพันธุ์สัตว์น้ำเขื่อนป่าสักชลสิทธิ์), also called Pasak Jolasid Aquarium, is a free government freshwater aquarium at Pa Sak Chonlasit Dam, Lopburi, Thailand, built for 60 million baht and opened to operation in 2011.

Oct 22, 2026

Pacatnamu

Pacatnamu is a large pre-Hispanic archaeological complex on Peru's northern coast, first occupied by the Moche around AD 300 and known for its more than 50 pyramids.

Pachinko Tiger

Pachinko Tiger (パチンコTIGER), a pachinko hall chain based in Miyagi Prefecture, Japan, succeeded by the PACHINKO DAIEI group in September 2016; distinct from Tiger Resort and other Tiger-named halls.

Pachmarhi Biosphere Reserve

Pachmarhi Biosphere Reserve (पचमढ़ी), Madhya Pradesh, Central India: UNESCO biosphere reserve since 2009 (national 1999), 4,926 km² in the Satpura range, containing Satpura Tiger Reserve, teak-sal deciduous forests, and threatened tree regeneration.

Pacific National Exhibition

Pacific National Exhibition (PNE), founded 1910 in Vancouver, is a City-owned non-profit running the 15-day summer PNE Fair, Playland amusement park, and year-round events on a 114-acre Hastings Park site, drawing over 2.5 million visitors annually.

Pacific Rim National Park Reserve

Pacific Rim National Park Reserve is a Parks Canada reserve on Vancouver Island's west coast in Nuu-chah-nulth territories, with three units: Long Beach, the West Coast Trail, and the Broken Group Islands in Barkley Sound.

Padrauna Mound

Padrauna Mound: ASI centrally protected mound (no. 3457) south of Padrauna town, Kushinagar district, Uttar Pradesh; brick-ruin mound 220x120x14 ft, protected 1920, excavated 1984-85; identified with ancient Pava/Pavapuri of the Mallas.

Paedagogium

Paedagogium: Domitianic building on the SW slope of Rome's Palatine Hill, usually identified as a school and residence for enslaved imperial servants, known from graffiti including the Alexamenos graffito and the Severan marble plan.

Paestum

Paestum (ancient Poseidonia) is a Greek-then-Roman archaeological site in Salerno, Campania, Italy, with three Doric temples (550–460 BC), the Tomb of the Diver fresco, and UNESCO listing within the Cilento park.

Pagans Hill Roman Temple

Pagans Hill Roman Temple, Chew Stoke, North Somerset: a double-octagonal Romano-Celtic temple excavated by Philip Rahtz 1949–1953, built from c. AD 262, possibly dedicated to Apollo Cunomaglus, with an axis well yielding a Roman dog sculpture and Anglo-Saxon glass jar.

Pagus Assalitanus

Pagus Assalitanus, also Assallitanus, was a Roman pagus in Africa Proconsularis, modern Tunisia, near Thubursicu Bure and Dougga, known from a single 1920 votive altar inscription and probably a district of Carthage's pertica.

Paharidih Mound

Paharidih Mound (Panch Pahari) is a group of five ancient mounds, probably Ashokan stupas, at Paharidih, Patna district, Bihar, India; the largest, Badi Pahari, is about 16 m high, and the site is an ASI centrally protected, non-ticketed monument.

Paharnagartakuria Mound

Paharnagartakuria Mound, also listed as mounds at Paharnagar and Takuria, is an ASI centrally protected archaeological mound in Lucknow district, Uttar Pradesh, under the Lucknow Circle.

Paikuli

Paikuli (Peykulî) is a ruined Sasanian square tower in Sulaymaniyah Governorate, Iraqi Kurdistan, built by King Narseh (r. 293–302/3) with a bilingual Middle Persian and Parthian inscription commemorating his victory over Bahram III.

Painted Churches in the Troodos Region

Painted Churches in the Troodos Region: serial UNESCO World Heritage Site of ten Byzantine and post-Byzantine churches in Cyprus, inscribed 1985 and extended 2001, with 11th-16th century frescoes and steep wooden roofs.

Paisley Park

Paisley Park, Prince's home and studio complex at 7801 Audubon Road, Chanhassen, Minnesota, opened 1987, a $10 million 65,000-square-foot facility where he recorded nearly 30 albums, died in 2016, and now operates as a museum.

Paithan Mound

The Paithan Mound is a large archaeological mound at Paithan, Maharashtra, on the north bank of the Godavari, marking the core of ancient Pratishthana (प्रतिष्ठान).

Pakhnabihar Mound

Pakhnabihar Mound (Pakhna Bihar), Farrukhabad district, Uttar Pradesh: an ASI centrally protected extensive mound, site of an old Buddhist vihara, yielding Buddhist clay seals, a large Buddha statue, and Kushan-era inscription and coins.

Paklenova Dibrova

Пакленова діброва (field-maple oak forest): a Ukrainian oak forest type with Acer campestre, typical of dry eastern and steppe sites, and a 1946 display plantation at the National Botanical Garden in Kyiv dominated by Quercus robur.

Pakri Mound

Pakri Mound: ancient burial mounds at Pakri, West Champaran district, Bihar, protected by the ASI as Vedic burial mounds per T. Bloch's 1905 excavation hypothesis; distinct from a same-named Patna-district village.