Parks, protected areas, and geographic heritage sites

Marina di Palo Roman villa

Marina di Palo Roman villa (Villa marittima di Marina di Palo): a vast Roman seaside villa in Ladispoli, Lazio, on the ancient Alsium coast, 2nd century BC to Imperial Age, with a 2002-discovered porticoed hall, nymphaeum, cistern, and tower tomb; owner unknown.

Marina di S. Nicola

Marina di San Nicola (Ladispoli), also Marina di S. Nicola: seaside frazione of Ladispoli, Rome, with a five-hectare Roman villa maritima on ancient Alsium's territory, attributed to Pompey via Cicero, occupied 1st century BC to 6th century AD.

Mariñas Coruñesas e Terras do Mandeo Biosphere Reserve

Mariñas Coruñesas e Terras do Mandeo Biosphere Reserve, UNESCO-designated 28 May 2013 in A Coruña province, Galicia, Spain; 116,724 ha, 17 municipalities, about 190,000 inhabitants, managed by the Mariñas-Betanzos rural development association.

Marine Animal Theater Akvatoriya

Театр морских животных «Акватория» (Marine Animal Theater Akvatoriya) is a dolphinarium and marine mammal show venue in Vinogradnoe near Yalta, Crimea, opened in 2005, with dolphins, belugas, seals, and walruses, plus dolphin therapy and swimming programs.

Marine Corps War Memorial

The Marine Corps War Memorial (Iwo Jima Memorial) in Arlington, Virginia, is Felix de Weldon's 78-foot bronze of the six Iwo Jima flag raisers, dedicated November 10, 1954, funded by $850,000 in private donations.

Marine Drive, Mumbai

Marine Drive (Netaji Subhas Chandra Bose Road), Mumbai's 3.6-km C-shaped Queen's Necklace seafront, built on 1920s Backbay reclamation, part of the 2018 UNESCO Art Deco ensemble, now facing tunnel-linked widening.

Marine Park (Malaysia)

A Marine Park in Malaysia is a sea-zoned conservation area extending two nautical miles around gazetted islands, protecting coral reefs and marine life under the Fisheries Act 1985.

Marine Park (South Korea)

Marine Park (마린파크) is a dolphin-experience theme park in Hwasun-ri, Andeok-myeon, Seogwipo, Jeju, opened December 2010 and billed as Korea's first and only dolphin experience facility; the name also covers marine parks in Gimpo, Pohang, and Jinhae.

Marine reserve

Marine reserve, also called no-take marine protected area (MPA), is an ocean area where fishing and extraction are prohibited. Key facts: spillover benefits adjacent fisheries, about 10% global coverage by 2026, 30x30 target, BBNJ high seas framework.

Marine reserves of New Zealand

Marine reserves of New Zealand are no-take areas under the Marine Reserves Act 1971, the country's highest marine protection. 44 reserves cover 17,178 km² (9.5% of the territorial sea), mostly around the Kermadec and Subantarctic Islands; the first, Goat Island, dates to 1975.

Marine World Uminonakamichi

Marine World Uminonakamichi (マリンワールド海の中道) is an aquarium in Uminonakamichi Seaside Park, Fukuoka, Japan; opened 1989/1995, PFI-operated since 2016, with 20,000 creatures of 450 species and daily dolphin shows facing Hakata Bay.

Marineland of the Pacific

Marineland of the Pacific, also called Marineland Palos Verdes, was an oceanarium in Rancho Palos Verdes, California, open 1954 to 1987; the world's largest oceanarium at opening, designed by William Pereira, famous for orcas Orky and Corky, closed by Harcourt Brace Jovanovich, site now Terranea Resort.

Marinio

Marinio is an ancient Roman villa attested in the Barrington Atlas (BAtlas 25 H2), tentatively identified with Marin in the commune of Lombers, Tarn, France, with a name attested for AD 300 to 640.

Mariposa Grove

Mariposa Grove, near Wawona in Yosemite National Park, is the park's largest giant sequoia grove with about 500 mature trees, protected since the 1864 Yosemite Grant and restored in a $40 million project completed in 2018.

Maritime Greenwich

Maritime Greenwich: UNESCO World Heritage Site (inscribed 1997) in London, home of the Queen's House, Royal Observatory, Old Royal Naval College, and Greenwich Meridian and Mean Time.

Mariupol' (site)

Mariupol' (site): ancient tumulus place near Mariupol, Ukraine, in Barrington Atlas 84 C1 and Pleiades 825322; also the Mariupol Neolithic burial ground excavated by Makarenko in 1930, type site of Mariupol-type cemeteries.

Markakol Biosphere Reserve

Markakol Biosphere Reserve (Марқакөл) is a UNESCO MAB biosphere reserve in East Kazakhstan, designated 2022 around Lake Markakol and the 1976 Markakol State Nature Reserve, protecting endemic lenok and grayling in the Southern Altai.

Market Hall

Market Hall, Chipping Campden: a 1627 Grade I listed Cotswold market hall built by Sir Baptist Hicks for dairy produce and poultry, now owned by the National Trust.

Marköbel

Marköbel is a village in Hammersbach in Hesse, Germany, first recorded in 839 as Cavilla and known for the Roman cohort fort of the Limes beneath its center.

marmare

marmare (كوفي شوب مرمره, Coffee Shop Marmare) is a casino on the Arar-Karbala road in Kerbala District, Karbala Governorate, Iraq, near the البرسيم كوفي casino; unrelated namesakes include Marmaré village in Niger and Café Marmare in Yamagata, Japan.

Marmenia

Marmenia (domus Marmeniae, domus Beatae Marmeniae): Roman house at the fourth mile of the Appian Way, Rome, named in Saint Urban's martyr acts, excavated by Lugari 1887-1893; distinct from Marmáriane, Thessaly.

Maros Pangkep UNESCO Global Geopark

Maros Pangkep UNESCO Global Geopark, Indonesia: 2023-designated geopark in South Sulawesi (5,077.25 km²) with tower karst, 572 caves, 45,500-year-old rock art, Spermonde reefs, and Bugis-Makassarese culture.

Marree Man

Marree Man, also called Stuart's Giant, is a 3.5 km geoglyph of an Aboriginal hunter cut into the Finniss Springs plateau near Marree, South Australia, in June 1998; its creator remains unknown despite rewards and investigations.

Mars, Aedes

Mars, Aedes (Latin, aedis Martis) was a temple of the god Mars on the Via Appia outside Rome's walls, where troops assembled and the cavalry parade began.

Marsh Farm, Sandringham

Marsh Farm is a red-brick, five-bedroom farmhouse on the private Sandringham Estate near Wolferton, Norfolk, recorded by name in 1904, renovated in 2025-26, and since 2026 the home of Andrew Mountbatten-Windsor.

Marshes and Tides between the Loire and the Vilaine Biosphere Reserve

Biosphere reserve (French: Entre Loire et Vilaine, des marais aux marées) on France's Atlantic coast between the Loire and Vilaine estuaries; UNESCO-designated 2025, France's 18th, 205,421 ha, 253,315 residents, led by PNR de Brière.

Marsicovetere Roman villa

Marsicovetere Roman villa (Villa romana di Barricelle): a large imperial-age Roman villa at Barricelle, Marsicovetere, Basilicata, owned by the Bruttii Praesentes, family of empress Bruttia Crispina; discovered in 2006 during Eni pipeline works and occupied from the 1st century BC to the 7th century AD.

Martin Luther King Jr. Memorial

The Martin Luther King Jr. Memorial is a national memorial in West Potomac Park, Washington, DC, opened in 2011 as the first on the National Mall honoring an African American.

Martinhoe

Martinhoe (The Beacon) is a Roman fortlet and coastal signal station on the north Devon cliffs, occupied c. AD 55-75, garrisoned by a century, replacing Old Burrow, scheduled as NHLE 1003882.