edgepedia

Parks, protected areas, and geographic heritage sites

9,860 articles

Portus Iulius

Portus Iulius (Portus Julius), Roman naval base built 37 BC by Agrippa for Octavian against Sextus Pompey, linking lakes Lucrino and Averno near Baiae; abandoned for Misenum by 30 BC, later a grain-trade hub, now submerged 5–10 m by bradyseism.

Portus Lemanis

Portus Lemanis (Lemanae), locally Stutfall Castle, a Roman Saxon Shore fort and Classis Britannica port at Lympne, Kent, built in the mid-late 270s AD, abandoned by c.350, now inland on Romney Marsh.

Portus Macedonum

Portus Macedonum, Latin for 'port of the Macedonians', is an unlocated ancient port of Carmania on the Iranian coast, attested only in Pliny's Natural History 6.110 and recorded by Pleiades near Harmozeia.

Portus Veneris (site)

Portus Veneris, the Roman "port of Venus", is the ancient name of Port-Vendres near Cape Béar, France, cited by Pomponius Mela, tied to a Venus temple, with Roman shipwrecks and a Pyrene identification debate.

Poseokjeong

Poseokjeong (포석정) is the site of a Unified Silla royal pavilion in Gyeongju, South Korea, known for its winding granite water channel used for floating-cup banquets.

Posta Crusta

Posta Crusta: Roman villa and late-antique farm near Ordona, Foggia, northern Apulia, excavated by De Boe's Belgian mission; its oletum produced over 7,000 liters of oil before a 5th-century conversion to grain milling. Not the Ladispoli Posta Vecchia.

Posto villa

Posto villa is a small Roman villa rustica at Francolise, Caserta, Campania, in the ancient Ager Falernus near the Via Appia. Begun around 100 BC, excavated 1962–1965, and published by M. Aylwin Cotton in 1979.

Poulnabrone dolmen

Poulnabrone dolmen (Poll na Brón) is a Neolithic portal tomb in the Burren, County Clare, Ireland, built around 3800 BC; the oldest dated megalithic monument in Ireland, excavated by Ann Lynch, containing 33 burials over 600 years.

Poundbury hillfort

Poundbury hillfort (Poundbury Camp) is an Iron Age bivallate hillfort near Dorchester, Dorset, England, with two-phase defences, a Roman aqueduct, and an adjacent late Roman cemetery of about 1,450 burials.

Poverty Point

Poverty Point, a Late Archaic monumental earthwork complex in northeastern Louisiana (1700–1100 BCE), built by hunter-fisher-gatherers: six concentric ridges, large mounds including Mound A, vast trade network, UNESCO World Heritage site since 2014.

Poznań Palm House

Poznań Palm House (Palmiarnia Poznańska), in Wilson Park, Poznań, Poland: opened 1911, largest palm house in Poland at 4,600 m², about 1,100 plant species and 170 fish species; closed 2026 for a rebuild due in 2030.

Praesidium (Spain)

Praesidium (Spain): Roman place name in Hispania from Latin praesidium, a garrison or fortified post. Attested near O Burgo (Ourense), Sanlúcar del Guadiana (Huelva), Caldedeu (Barcelona), and as Antonine Itinerary stations Praesidio on routes XVII and XVIII.

Praesidium Pompei

Praesidium Pompei (Pompei Praesidium) was a Roman road station and mansio in Moesia Superior, modern Ćićina, Serbia, on the Horreum Margi to Naissus road, garrisoned by a Dardanian cohort and destroyed in the Hun raids of the 440s.

Praesidium Si Aioun

Praesidium Si Aioun is a small Roman military fortlet on the Limes Tripolitanus frontier of Africa Proconsularis, built in 197/198 AD by the Cohors II Flavia Afrorum equitata.

Præsto Fjord, Jungshoved Nor, Ulvshale and Nyord

Præstø Fjord, Jungshoved Nor, Ulvshale and Nyord: Danish Ramsar site no. 161 (designated 1977, about 24,700 ha) in southeast Zealand, a shallow fjord and coastal meadow complex of international importance for waterbirds.

Praetorian Guard Barracks at Amba Aradam Metro Station

Hadrianic Roman military barracks, likely a Praetorian Guard garrison, found 9–12 m deep at the Amba Aradam/Ipponio Metro C station in Rome; dormitory with 39 rooms, commander's domus, buried in the 3rd century when the Aurelian Walls were built.

Praetorium Agrippinae

Praetorium Agrippinae, a Roman castellum and supply base on the Lower Rhine at Valkenburg ZH, Netherlands, founded winter 39/40 by Caligula, named for his mother Agrippina, destroyed in the Batavian revolt, abandoned c.270, refortified to c.400.

Prague Castle

Prague Castle (Pražský hrad), founded around 880 by Prince Bořivoj, is a 45-hectare presidential seat and National Cultural Monument No. 1, the largest coherent castle complex per Guinness, with St. Vitus Cathedral completed in 1929.

Prairie Creek Redwoods State Park

Prairie Creek Redwoods State Park, a California state park established in 1923 near Orick, protects old-growth coast redwoods, Roosevelt elk prairies, Gold Bluffs Beach, and Fern Canyon within the cooperatively managed Redwood National and State Parks.

Prambanan Temple Compounds

Prambanan Temple Compounds, also called Loro Jonggrang, is a ninth-century Hindu and Buddhist temple complex on Java, Indonesia, with 508 stone temples and UNESCO World Heritage status.

Pranu Muttedu

Pranu Muttedu, also spelled Pranu Mutteddu, is a prehistoric archaeological park near Goni in south-eastern Sardinia, home to about sixty menhirs, the island's largest concentration.

Pre-Hispanic City and National Park of Palenque

The Pre-Hispanic City and National Park of Palenque is a UNESCO World Heritage Site in Chiapas, Mexico, a major Maya city at its peak from AD 500 to 700.

Preah Khan

Preah Khan (ប្រាសាទព្រះខ័ន) is a 1191 CE Bayon-style Buddhist temple at Angkor, built by Jayavarman VII on his victory site over the Chams and dedicated to his father Dharanindra as Lokesvara.

Preah Ko

Preah Ko (ប្រាសាទព្រះគោ, Sacred Bull), a 879 ancestor temple of King Indravarman I at Hariharalaya (Roluos), Cambodia; six brick towers in two rows, first Preah Ko style monument, part of Angkor World Heritage.

Prehistoric Caves of Yagul and Mitla in the Central Valley of Oaxaca

Prehistoric Caves of Yagul and Mitla (Cuevas Prehistóricas de Yagul y Mitla), a UNESCO World Heritage cultural landscape in Oaxaca, Mexico, inscribed 2010; Guilá Naquitz cave holds the earliest known domesticated plant remains in the Americas, about 10,000-year-old squash seeds and early maize cobs.

Prehistoric Rock Art Sites in the Côa Valley and Siega Verde

Transboundary UNESCO World Heritage site (1998, extended 2010) of open-air Upper Palaeolithic rock engravings on the Côa River in Portugal and the Agueda River at Siega Verde in Spain, with thousands of animal figures dated roughly 22,000–8,000 BCE.

Prehistoric Sites and Decorated Caves of the Vézère Valley

Prehistoric Sites and Decorated Caves of the Vézère Valley (Sites préhistoriques et grottes ornées de la vallée de la Vézère): serial UNESCO World Heritage property in Dordogne, France, inscribed 1979, first French listing; 15 sites including Lascaux, Font-de-Gaume, Cap-Blanc, and Cro-Magnon shelter.

Prehistoric Sites of the Khorramabad Valley

Prehistoric Sites of the Khorramabad Valley: UNESCO World Heritage serial property (inscribed 2025) in Lorestan, Iran; Kaldar, Ghamari, Gilvaran, Yafteh, Kunji caves and Gar Arjeneh shelter, 63,000 BP Mousterian and Baradostian occupation.

Presidio of Monterey, California

Presidio of Monterey: U.S. Army installation in Monterey, California, founded by Spain June 3, 1770, seized by Sloat in 1846, and home since 1946 to the Defense Language Institute Foreign Language Center.

Presidio of San Francisco

Presidio of San Francisco (El Presidio de San Francisco): 1,491-acre national park and National Historic Landmark at the Golden Gate, a military post under Spain, Mexico, and the U.S. from 1776 to 1994, now run by the self-funding Presidio Trust.