Chocolate Hills, conical hills in tropical limestone karst, Carmen, Bohol, Philippines, Southeast Asia, Asia

Motorway A7 road running through limestone desert, Paraje Natural de Karst en Yesos, Almeria, Andalusia, Spain, Europe

Sunset over Karst Hills from Lao Zhai, Xingping, Guilin, Guangxi Province, China, Asia

Limestone desert landscape, Paraje Natural de Karst en Yesos de Sorbas, Almeria, Andalusia, Spain, Europe

Limestone desert landscape, Los Molinos del Río Aguas, Paraje Natural de Karst en Yesos de Sorbas, Almeria, Andalusia, Spain, Europe

Yellow broomrape (Cistanche phelypaea), flowering in Paraje Natural de Karst en Yesos, Almeria, Andalusia, Spain, Europe

Chocolate Hills, conical hills in tropical limestone karst, Carmen, Bohol, Philippines, Southeast Asia, Asia

Halong Bay, UNESCO World Heritage Site, Vietnam, Indochina, Southeast Asia, Asia

Karst landscape, haze and rising sun, Yangshuo, Guangxi Province, China, Asia

Tourist tour boats moored on the Pute River in this karst limestone region, Ramman-Rammang, Maros Pangkep Geopark, UNESCO Global Geopark, South Sulawesi, Indonesia, Southeast Asia, Asia

Karst landscape, Li Jiang (Li River) and rising sun, Yangshuo, Guangxi Province, China, Asia

Karst landscape and setting sun, Yangshuo, Guangxi Province, China, Asia

Landscape of rice paddies, fish farms and limestone pinnacles in the Fenglin Karst south of Guilin, Yangshuo, Guangxi, China, Asia

Karst limestone sceney, Ziyun, Guizhou, China, Asia

The Burren, County Clare, Ireland

Karst-Landscape; The Burren, County Clare, Ireland