Crater
Cave in the Muller Range of Papua New Guinea.
Crater
Flooded cave (known as the Blue Grotto) on the island of Capri in southern Italy.
Crater
Lava tube in the Republic of Korea.
Crater
Cave in Puglia region, Italy.
Crater
Site where Peking Man was discovered.
Crater
Cave in the Hebrides.
Crater
Lava tube in Hawaii.
Crater
Cave in France noted for its prehistoric paintings.
Crater
Cave in Carlsbad National Park, New Mexico.
Crater
Longest limestone cavern known on Earth.
Crater
Lava tube in the Republic of Korea.
Crater
Named after the Cave with underground river in France.
Crater
Cave in Florida, USA.
Crater
Large cave in Slovenia.
Crater
Cave in South Africa.
Crater
Karst cave in Sulmona, Italy.
Crater
Lava tube from Undara Volcano, North Queensland, Australia.
Crater
Lava tube in Spain.