volcanic+tufa

  • 61Mendip Hills — Coordinates: 51°18′N 2°44′W / 51.3°N 2.733°W / 51.3; 2.733 …

    Wikipedia

  • 62Sequoia National Park — IUCN Category II (National Park) Giant sequoia trees in the Giant Forest, Sequoia National Park …

    Wikipedia

  • 63Devils Postpile National Monument — IUCN Category III (Natural Monument) …

    Wikipedia

  • 64Channel Islands National Park — IUCN Category II (National Park) …

    Wikipedia

  • 65Morro Bay State Park — Black Hill Morro Bay State Park is a state park in Morro Bay, in western San Luis Obispo County, California. On the bay’s northeastern edge, there is a saltwater marsh that supports a thriving bird population. [1] …

    Wikipedia

  • 66Clear Lake State Park (California) — Clear Lake State Park Dorn Bay view from State Park Location Lake County, California …

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  • 67Chemehuevi Mountains — Coordinates: 34°37′30.031″N 114°31′32.863″W / 34.62500861°N 114.52579528°W / 34.62500861; 114.52579528 …

    Wikipedia

  • 68Favignana — Infobox CityIT img coa = Favignana Stemma.gif official name = Comune di Favignana name = Favignana region = Sicily province = Trapani (TP) elevation m = 6 area total km2 = 37 population as of = 2001 population total = 4106 population density km2 …

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  • 69ancient Rome — ▪ ancient state, Europe, Africa, and Asia Introduction       the state centred on the city of Rome. This article discusses the period from the founding of the city and the regal period, which began in 753 BC, through the events leading to the… …

    Universalium

  • 70North Table Mountain Ecological Reserve — IUCN Category IV (Habitat/Species Management Area) …

    Wikipedia