832-397384 - Sombrerillo limestone rock formations at sunrise, El Torcal nature reserve, Torcal de Antequera, Malaga province, Andalusia, Spain, Europe

845-1123 - Limestone pavement, Malham Cove, Yorkshire Dales National Park, North Yorkshire, England, United Kingdom, Europe

1179-5886 - Crystal sea surrounded by limestone cliffs and white pebbles, Fteri Beach, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5885 - Clear summer sky over the transparent turquoise sea at Fteri Beach, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5890 - Man and woman holding hands on the idyllic Fteri Beach, overhead view, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5892 - Tourists sunbathing at idyllic Fteri Beach set among cliffs and blue lagoon, overhead view, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5891 - Aerial view of cheerful man with arms outstretched admiring the crystal sea at Fteri Beach, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5888 - Woman admiring the white limestone cliffs standing on Fteri Beach, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5889 - Waves of the turquoise clear sea washing the white stones of Fteri Beach, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5887 - Bright sun on white pebbles of Fteri Beach washed by the turquoise sea, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

832-397148 - Aerial view of ocean waves and fantastic rocky shoreline, Aerial view of a coastline along Great Ocean Road, Aerial view of waves hitting rocks on beach with turquoise water

832-397026 - Cross stone, boulder, limestone, Stankt Gilgen, Mondsee, Upper Austria

832-397025 - Cross stone, boulder, limestone, Stankt Gilgen, Mondsee, Upper Austria

1310-322 - View over rocky cove along rugged limestone cliffs to the distant citadel, Bonifacio, Corse-du-Sud, Corsica, France, Mediterranean, Europe

1310-324 - View along rugged limestone cliffs to Capo Pertusato and the distant coast of Sardinia, Bonifacio, Corse-du-Sud, Corsica, France, Mediterranean, Europe

860-290890 - Sentinel, Andy Goldsworthy, 1999, Col du Defens, Alpes de haute Provence, France "The work Sentinels, which is part of the Refuge d'art project, is a journey through the Dignois region, at the foot of the Southern Alps. Such a project associates art, nature and the territory. The three Sentinels are stone cairns, one for each of the three valleys of the Haute-Provence Geological Reserve.

860-290788 - Sunrise on the crests of the great Luberon, France

1179-5698 - Aerial view of majestic limestone cliffs framing the golden sand of Xi beach, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5699 - Calm sea at dawn framed by limestone cliffs overlooking the gold sand of Xi beach, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

1179-5697 - Sunrise over the gold sand of Xi beach surrounded by majestic limestone cliffs, Kefalonia, Ionian Islands, Greek Islands, Greece, Europe

83-13316 - Limestone peaks including 1231m Gunung Buntu Sarira and rice paddies in the River Sadang valley, Sarira, Toraja, South Sulawesi, Indonesia, Southeast Asia, Asia

799-4315 - Hawthorn tree and limestone pavement in autumn, Winskill Stones, Yorkshire Dales National Park, Yorkshire, England, United Kingdom, Europe

1350-5032 - Conical dry stone roof of trulli house, with painted sun symbol, Alberobello, Bari province, Puglia region, Italy

1350-5103 - Great Sphinx and Great Pyramid of Giza, also known as Pyramid of Khufu and Pyramid of Cheops, Giza, Cairo, Egypt

1350-4820 - Quarry of Paradise, Latomia Del Paradiso, Neapolis Archaeological Park, Syracuse, Sicily, Italy

1350-5011 - Carved Buddha statue, Fengxian Temple, Longmen Grottoes and Caves, Luoyang, Henan Province, China, Tang Dynasty

1350-4739 - The Great Sphinx and Pyramid of Khafre, also known as Pyramid of Chephren, Giza, Cairo, Egypt

1350-5034 - Great Pyramid of Giza (Pyramid of Khufu and Cheops), and Pyramid of Khafre (Pyramid of Chephren), Giza, Cairo, Egypt

1350-4870 - Panoramic view of trulli houses, Alberobello, province of Bari, in the Puglia region, Italy

1350-4957 - Great Pyramid of Giza (Pyramid of Khufu and Cheops), and Pyramid of Khafre (Pyramid of Chephren), Giza, Cairo, Egypt

1350-5009 - Niches in wall near Greek Theatre, Neapolis Archaeological Park, Syracuse, Sicily, Italy

1350-4729 - Parish Church of the Assumption of the Blessed Virgin Mary, also known as Church of Saint Mary, Mosta, Malta

1350-4695 - Faraglioni rocks and coastline, Capri, Italy

1310-317 - View over the turquoise waters of Cala Mitjana to pine-clad limestone cliffs, Cala Galdana, Menorca, Balearic Islands, Spain, Mediterranean, Europe

1235-47 - Limestone rock formations at St. Peter's Pool near Marsaxlokk, Malta, Mediterranean, Europe

1310-314 - View over the turquoise waters of Cala Macarelleta to pine-clad limestone cliffs, Cala Galdana, Menorca, Balearic Islands, Spain, Mediterranean, Europe

1310-316 - View over the turquoise waters of Cala Mitjana to pine-clad limestone cliffs, Cala Galdana, Menorca, Balearic Islands, Spain, Mediterranean, Europe

1350-4202 - A cormorant fisherman in traditional cape on the Li River. Xingping, China, with limestone karsts behind.

1348-3438 - Satellite view of Adam's Bridge. This chain of limestone shoals connects Sri Lanka to India. This image was taken in 2014 by Landsat 8 satellite.

1116-51657 - A decorative archway with light in the foreground and the city of Capri on the limestone crag along the coast of the Mediterranean; Capri, Italy

1116-51610 - Ninh Binh landscape with mountain and water; Ninh Binh Province, Vietnam

1116-51584 - Symbolic sculptures and karst limestone formations; Ninh Binh, Vietnam

1116-50782 - The Great Sphinx of Giza, UNESCO World Heritage Site; Giza, Egypt

1116-50781 - The Great Sphinx of Giza, UNESCO World Heritage Site; Giza, Egypt

1116-50783 - The Great Sphinx of Giza, UNESCO World Heritage Site; Giza, Egypt

1116-51609 - Ninh Binh landscape with mountain and water; Ninh Binh Province, Vietnam

1116-51608 - Ha Long Bay with boats; Quang Ninh Province, Vietnam

1116-50739 - The Great Sphinx of Giza, UNESCO World Heritage Site; Giza, Egypt

1116-52024 - Perce Rock in the Gulf of Saint Lawrence, Bonaventure Island and Perce Rock National Park; Perce, Quebec, Canada

1116-50925 - The Twelve Apostles, limestone rock formations along the coast, Great Ocean Road, Port Campbell National Park; Port Campbell, Victoria, Australia

1116-51607 - Ha Long Bay, a tourist attraction, Unesco World Heritage Site; Ninh Binh Province, Vietnam

1116-51585 - House and foliage along the Red River, Red River Delta; Ninh Binh, Vietnam

1116-50745 - Djoser's Step Pyramid, Step Pyramid Complex, UNESCO World Heritage Site; Saqqara, Egypt

1116-51230 - Flowers between the cracks of the Burren limestone with Black Head Lighthouse in the background and the Atlantic ocean at sunset in summer; County Clare, Ireland

83-13289 - Typical eroded limestone outcrops and lake in karst region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13281 - Eroded limestone rock towers reflected in fish pond at karst area, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13282 - Tourist tour boats on Pute River in karst limestone region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13283 - Fish pond and limestone outcrops at Rammang village, karst region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13293 - Eroded limestone rock and Salenrang village in karst region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13290 - Man machine threshing rice by limestone rocks in karst area, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13288 - Typical eroded limestone outcrops and lake in karst region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13279 - Farmer raking rice at a village in karst limestone region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13292 - Limestone rock eroded and dissolved by water in karst region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13291 - Man machine threshing rice by limestone rocks in karst area, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13284 - Limestone peaks and palms reflected on fish pond in karst region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13285 - Stilt house, fish pond, limestone peaks, Rammang village, karst region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13294 - Newborn calf, Salenrang village, in karst limestone region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

83-13280 - Smiling young girl at a village in karst limestone region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

1113-105680 - Madagasse in the karst landscape of Tsingy de Bemaraha, Tsingy-de-Bemaraha National Park, Mahajanga, Madagascar, Africa

1113-105681 - People and boats on the Manambolo River, Tsingy-de-Bemaraha National Park, Mahajanga, Madagascar, Africa

860-290158 - Mid-air-mid-water view of the Burles spring, karstic exsurgence of Vauclusian type, on the commune of sainte-Enimie, Lozere, Occitania, France.

1111-182 - Pinnacles, rare limestone formations, dated around 30000 years old, Nambung National Park, Western Australia, Australia, Pacific

844-23766 - View of Llandudno and the Great Orme in background from Promenade, Llandudno, Conwy County, North Wales, United Kingdom, Europe

844-23763 - View of Llandudno and the Great Orme in background from Promenade, Llandudno, Conwy County, North Wales, United Kingdom, Europe

860-288797 - Remarkable flysch formations of Deba, Basque Coast Geopark, Basque Country, Spain. Flysch formed at the end of the Mesozoic era in the Cretaceous - flyschs are formed by sediment accumulation following repeated submarine avalanches, due to earthquakes, and producing after compaction and crystallization very regular layers of sandstone and limestone here recovered by Pyrenean orogeny and released by erosion.

860-288796 - Remarkable flysch formations of Deba, Basque Coast Geopark, Basque Country, Spain. Flysch formed at the end of the Mesozoic era in the Cretaceous - flyschs are formed by sediment accumulation following repeated submarine avalanches, due to earthquakes, and producing after compaction and crystallization very regular layers of sandstone and limestone here recovered by Pyrenean orogeny and released by erosion.

1116-50175 - Grota Town with the traditional white houses and a view of the Aegean Sea; Grota, Naxos Island, Cyclades, Greece

1178-31305 - Mid adult man on The Cliffs of Moher, The Burren, County Clare, Ireland

1178-31311 - Two male friends on The Cliffs of Moher, The Burren, County Clare, Ireland

1178-31318 - Man taking photograph, The Burren, County Clare, Ireland

1178-31306 - Mid adult man standing on The Cliffs of Moher, The Burren, County Clare, Ireland

1178-31314 - Mid adult man taking photo on cliff, The Burren, County Clare, Ireland

1178-31307 - Mid adult man on The Cliffs of Moher with camera, The Burren, County Clare, Ireland

1178-31309 - Two men sitting on The Cliffs of Moher, The Burren, County Clare, Ireland

1178-31310 - Mid adult man sitting on The Cliffs of Moher, The Burren, County Clare, Ireland

1178-31317 - Man on rocky shore, The Burren, County Clare, Ireland

1178-31320 - Mid adult man leaning against car bonnet

1178-31315 - Mid adult man taking photo on phone, The Burren, County Clare, Ireland

1178-31316 - Two men sitting on rocks, The Burren, County Clare, Ireland

1178-31308 - Mid adult man walking on The Cliffs of Moher, The Burren, County Clare, Ireland

846-212 - Entrance of the Orecchio di Dionisio cavern, Neapolis, Siracusa, Sicily, Italy, Europe

846-213 - Interior of the Orecchio di Dionisio cavern, Neapolis, Siracusa, Sicily, Italy, Europe

799-4232 - The Bruton Dovecote, a 15th century stone tower on the outskirts of the town of Bruton, Somerset, England, United Kingdom, Europe

846-1217 - Limestone pavement, The Burren, County Clare, Munster, Republic of Ireland, Europe

1179-4978 - Faraglioni (limestone stacks) of Torre Sant'Andrea in the crystal sea, Lecce province, Salento, Apulia, Italy, Europe

1179-4976 - Faraglioni of Torre Sant'Andrea and cliffs framed by turquoise sea, Lecce province, Salento, Apulia, Italy, Europe

1113-103823 - Vietnam, Halong Bay, Sunset

1113-104107 - Junk in Halong Bay, Halong Bay, Vietnam

832-389414 - Limestone skeleton of the Klunzinger soft coral (Dendronephthya klunzingeri), Pacific, Great Barrier Reef, UNESCO World Heritage, Australia, Oceania

989-421 - Flooded limestone cave interior with many stalactites and stalagmites and reflections, Drach caves (Cuevas del Drach), Mallorca, Balearic Islands, Spain, Mediterranean, Europe