The Castellana Caves (Italian: Grotte di Castellana) are a remarkable

The Grutas de Cacahuamilpa National Park in Guerrero, Mexico, is best

The Frasassi Caves (Italian: Grotte di Frasassi) are a remarkable

Grotta Gigante ('Giant Cave', Slovene: Briščkova jama), also known a

The Toirano Caves (Italian: Grotte di Toirano) are a remarkable karst

| colspan='5' | Grotte di Borgio VerezziBorgio Verezzi

The Pastena Caves (Italian: Grotte di Pastena) are a remarkable karst

The Castelcivita Caves (Italian: Grotte di Castelcivita) are a

The Pertosa Caves (Italian: Grotte di Pertosa) are a remarkable karst

Эмине́-Баи́р-Хоса́р или Мамонтовая пещера (українська. Еміне-Баї

The Grotta del Cavallone, also known as the Grotta della Figlia di

Krásnohorská Cave (Slovak: Krásnohorská Jaskiňa) is a karst cave situ

The South China Karst, a UNESCO World Heritage Site, spread across

The Zhuoying Spring (Шаблон:Zh, literally 'washing out the tasse