Centered at the village of Belae in Minasa Te’ne district, Pangkajene and Kepulauan (Pangkep) Regency, South Sulawesi Province, the International Cave Festival (ICF) was held from 4th to 6th October 2 ...

The verdant and effortlessly splayed karst mountains of Guilin unfurled before me as I pulled open the hotel room draperies in a performance that was pure Panavision. The hills, which have inspired ...

First it was a sinkhole opening under a Corvette museum with a taste for rare cars. Now, it’s a sinkhole opening under an active road in Russia, gaping open to gobble commuters. What gives with the ...

Description and illustrations of limestone caves near Calabar, Nigeria, and limestone "towers," a type of karst landform found in tropical regions. These are the only known occurrences of karst in ...