1245-3372 - Stairway to The Cave of Pythagoras, Mount Kerkis, Samos Island, North Aegean, Greek Islands, Greece, Europe

1245-3371 - The Real Cave of Pythagoras, Mount Kerkis, Samos Island, North Aegean, Greek Islands, Greece, Europe

1245-3188 - View towards the Cave of the Apocalypse Church, Patmos Island, Dodecanese, Greek Islands, Greece, Europe

1376-44 - Sunshine and showers with autumn colours from Rydal Cave, Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

1376-22 - Reflections from Rydal Cave, Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

1376-1 - Reflections from Rydal Cave in the Lake District National Park, UNESCO World Heritage Site, Cumbria, England, United Kingdom, Europe

832-404413 - A woman on vacation at the beach cave in the Algarve, Praia da Coelha, Albufeira. Portugal

832-404412 - With the son in the natural beach cave in the Algarve at Praia da Coelha, Albufeira. Portugal

832-404411 - With the son in the natural beach cave in the Algarve at Praia da Coelha, Albufeira. Portugal

832-404410 - A man jumping into the natural cave in the Algarve on the beach at Praia da Coelha, Albufeira. Portugal

832-404407 - A cave entering the water from the beach at Praia da Coelha, Algarve, Albufeira. Portugal

832-404228 - A young woman in the cave of San Adrian. Mount Aizkorri 1523 meters, the highest in Guipuzcoa. Basque Country. Ascent through San Adrian and return through the Oltza fields

832-404227 - Friends arriving at the cave of San Adrian. Mount Aizkorri 1523 meters, the highest in Guipuzcoa. Basque Country. Ascent through San Adrian and return through the Oltza fields

1112-8718 - La Cueva rock shelter is an archeological site occupied from almost 5,000 BC, Dripping Springs Trail, Las Cruces, New Mexico, United States of America, North America

1116-52832 - Woman standing under the large, boulders on the seaside shores of The Baths, a famous beach in the BVI's, Virgin Gorda, British Virgin Islands, Caribbean

1112-8681 - Entrance to the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8680 - Stalactites in the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8678 - Stalactites in the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8679 - Floe stone in the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8677 - Entrance to the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8676 - Floe stone in the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8675 - Entrance to the main cave at Carlsbad Caverns National Park,UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8674 - Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8673 - Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8672 - Popcorn in the main cave at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8670 - Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8671 - Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8669 - Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8668 - Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8667 - Inside the Big Room at Carlsbad Caverns National Park, UNESCO World Heritage Site, located in the Guadalupe Mountains, New Mexico, United States of America, North America

1112-8659 - A waterfall running through the Mossy Cave Trail in Bryce Canyon National Park, Utah, United States of America, North America

1112-8658 - A view from the Mossy Cave Trail of red rock and hoodoos, Bryce Canyon National Park, Utah, United States of America, North America

1112-8655 - A waterfall running through the Mossy Cave Trail in Bryce Canyon National Park, Utah, United States of America, North America

1112-8651 - A stream running through the Mossy Cave Trail in Bryce Canyon National Park, Utah, United States of America, North America

1112-8650 - A stream running through the Mossy Cave Trail in Bryce Canyon National Park, Utah, United States of America, North America

832-404091 - Sandstone cave, Hamburg coat of arms, part of the Teufelsmauer, Timmenrode, Saxony-Anhalt, Germany, Europe

832-404090 - Sunrise at the Hamburg coat of arms, part of the Devil's Wall, sandstone cave, Timmenrode, Saxony-Anhalt, Germany, Europe

832-403899 - Sitting on the paradise beach of Kroreza or Krorez in a cave on the Albanian riviera in Sarande, Albania, Europe

832-403355 - Suricate (Suricata suricatta) . Also called Meerkat. Female with young at their burrow. On the lookout. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

832-403351 - Suricate (Suricata suricatta) . Also called Meerkat. Female with five young at their burrow. On the lookout. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

832-403349 - Suricate (Suricata suricatta) . Also called Meerkat. Female with two playful young at their burrow. Kalahari Desert, Kgalagadi Transfrontier Park, South Africa, Africa

1346-246 - Cueva del Gato cave with a waterfall in Andalusia, Spain, Europe

1346-244 - Cueva del Gato cave with a waterfall in Andalusia, Spain, Europe

1346-245 - Cueva del Gato cave with a waterfall in Andalusia, Spain, Europe

1346-243 - Cueva del Gato cave in Andalusia, Spain, Europe

832-401956 - Diver swimming in cave, underwater, light rays, sun rays, Shaab Claudia reef dive site, Red Sea, Egypt, Africa

832-401913 - The blue lagoon cave, Yasawas, Fiji, South Pacific, Oceania

832-401604 - Karst cave on the sandy beach near the campsite of Stara Baska, Stara Baska, Island of Krk, Kvarner Gulf Bay, Primorje-Gorski kotar, Croatia, Europe

832-401577 - Stalagmites, stalactites, limestone deposits, Lipa Cave, Lipska pecina, Cetinje, Montenegro, Europe

832-401576 - Stalagmites, stalactites, limestone deposits, Lipa Cave, Lipska pecina, Cetinje, Montenegro, Europe

759-9996 - Soft Corals in Overhang, Chironephthya sp., Felidhu Atoll, Maldives

759-13243 - Crab Larvae in Indian Ocean, Underwater Cave, Gecarcoidea natalis, Christmas Island, Australia

759-13242 - Crab Larvae in Indian Ocean, Underwater Cave, Gecarcoidea natalis, Christmas Island, Australia

759-13241 - Crab Larvae in Indian Ocean, Underwater Cave, Gecarcoidea natalis, Christmas Island, Australia

759-13142 - Tourist in The Grotto, Christmas Island, Australia

759-12760 - Scuba diver in Cave, Raja Ampat, West Papua, Indonesia

759-12140 - Scuba Diving in Bat Caves, Russell Islands, Solomon Islands

759-12139 - Scuba Diving in Bat Caves, Russell Islands, Solomon Islands

759-12138 - Scuba Diving in Bat Caves, Russell Islands, Solomon Islands

759-12129 - Scuba Diving in Custom Caves, Russell Islands, Solomon Islands

759-12128 - Scuba Diving in Custom Caves, Russell Islands, Solomon Islands

759-10102 - Scuba Diver explores Cave, North Male Atoll, Maldives

759-10101 - Scuba Diver explores Cave, North Male Atoll, Maldives

759-10100 - Scuba Diver explores Cave, North Male Atoll, Maldives

759-10099 - Scuba Diver explores Cave, North Male Atoll, Maldives

759-10098 - Scuba Diver explores Cave, North Male Atoll, Maldives

759-10079 - Scuba Diver explores Cave, North Male Atoll, Maldives

759-13432 - Diving in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13431 - Diving in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13430 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13429 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13428 - Diving in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13427 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13426 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13425 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13424 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13423 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13422 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-13421 - Water Lilies in Car Wash Cenote Aktun Ha, Tulum, Yucatan, Mexico

759-12068 - Scuba Diving in Mbuco Caves, Marovo Lagoon, Solomon Islands

759-12066 - Scuba Diving in Mbuco Caves, Marovo Lagoon, Solomon Islands

759-12069 - Scuba Diving in Mbuco Caves, Marovo Lagoon, Solomon Islands

759-12067 - Scuba Diving in Mbuco Caves, Marovo Lagoon, Solomon Islands

1184-8651 - View over the village of Rhumsiki from a cave, Mandara mountains, Far North province, Cameroon, Africa

832-401119 - Entrance to a cave, Gutenberg Cave, Swabian Alb, village of Gutenberg, district of the municipality of Lenningen, Baden-Wuerttemberg, Germany, Europe

1311-629 - Caves in the cliff walls, used to store food by ancient Anasazi Indians, Canyon De Chelly National Monument, Arizona, United States of America, North America

832-400088 - Boat going into a cave at Praia da Marinha, rocks and cliffs, steep coast in the Algarve, Portugal, Europe

832-398632 - Ice cave in Vatnajoekull glacier, glacier cave, Vatnajoekull National Park, South Iceland, Iceland, Europe

832-398631 - Ice cave in Vatnajoekull glacier, glacier cave, Vatnajoekull National Park, South Iceland, Iceland, Europe

832-398630 - Ice cave in Vatnajoekull glacier, glacier cave, Vatnajoekull National Park, South Iceland, Iceland, Europe

1359-458 - Buddha statue, Hpo Win Daung Caves (Phowintaung Caves), Monywa, Myanmar (Burma), Asia

1350-6630 - Swimming at Cenote Ik Kil in Yucatan, Mexico, a natural pit, or sinkhole near Chichen Itza. Yucatan Peninsula, Quintana Roo, Mexico. Ik Kil was sacred to the Mayans who used this cenote for both relaxation and ritual services centuries ago.

1350-6633 - Gran Cenote de Tulum in Yucatan Peninsula, Quintana Roo, Mexico. There are thousands of cenotes dotted all over Mexico���s Yucatan Peninsula, and their existence is as much a defining characteristic of the region as is the distinct geological feature from which they result. Once revered by the ancient Mayans as sacred wells, they are now magnets for tourists, adventurers, and explorers alike.

1350-6628 - Cenote Ik Kil in Yucatan, Mexico, a natural pit, or sinkhole near Chichen Itza. Yucatan Peninsula, Quintana Roo, Mexico. Ik Kil was sacred to the Mayans who used this cenote for both relaxation and ritual services centuries ago.

1350-6577 - Sa Calobra Sailing boat at sunset in Torrent de Pareis, Mallorca, Spain

1184-7701 - Drach caves, Porto Christo, Mallorca, Balearic Islands, Spain, Mediterranean, Europe

1184-7700 - Stalactites and stalagmites, Drach caves, Porto Christo, Mallorca, Balearic Islands, Spain, Mediterranean, Europe

832-398109 - Storagja Cave, Silfra Fissure, Krafla, Northern Iceland, Iceland, Europe

832-397566 - Ice cave, Skaftafell NP, Iceland, Europe

832-397496 - Statue Angel with the Cross on the Angel Bridge over the Tiber, Rome, Italy, Europe