1382-1248 - Sandstone caves, multicoloured due to various oxides, containing carved tombs, historic and archaeological Nabataean city of Petra, UNESCO World Heritage Site, Jordan, Middle East
832-405344 - Beihei Tunnel, the former military tunnel designed to house equipment and personel is now used as a tourist attraction with free boat rentals to tour the caves
1112-9169 - Microbats constitute the suborder Microchiroptera, found in a sandstone crevice on Bigge Island, Kimberley, Western Australia, Australia, Pacific
1116-53277 - Sedona is located in the interior chaparral, semi-desert grassland, Great Basin conifer woodland biomes of northern Arizona. This is an example of the red rock that is very predominate in the area. Many hiking trails are in the area to take in these amazing sights, Sedona, Arizona, United States of America
722-213 - The hilltop Digambara Jain Temple stands above the Udayagiri and Khandagiri complex of caves dating back to over 100 years BCE, Bhubaneswar, Odisha, India, Asia
722-212 - Monks' cells cut into the hillside rock among the Udayagiri and Khandagiri caves dating back to over 100 years BCE sculpted as religious retreats for Jain devotees, Bhubaneswar, Odisha, India, Asia
722-210 - Monks' cells cut into the hillside rock among the Udayagiri and Khandagiri caves dating back to over 100 years BCE sculpted as religious retreats for Jain devotees, Bhubaneswar, Odisha, India, Asia
722-211 - Monks' cells cut into the hillside rock among the Udayagiri and Khandagiri caves dating back to over 100 years BCE sculpted as religious retreats for Jain devotees, Bhubaneswar, Odisha, India, Asia
722-209 - Monks' cells cut into the hillside rock among the Udayagiri and Khandagiri caves dating back to over 100 years BCE sculpted as religious retreats for Jain devotees, Bhubaneswar, Odisha, India, Asia
722-208 - Monks' cells cut into the hillside rock among the Udayagiri and Khandagiri caves dating back to over 100 years BCE sculpted as religious retreats for Jain devotees, Bhubaneswar, Odisha, India, Asia
722-207 - Garden at the entrance to the Udayagiri and Khandagiri caves dating back to over 100 years BCE, sculptured into the hillside as religious retreats for Jains, Bhubaneswar, Odisha, India, Asia
722-206 - A small sanctuary near the entrance to the Udayagiri and Khandagiri caves dating back to over 100 years BCE, sculptured into the hillside as religious retreats for Jains, Bhubaneswar, Odisha, India, Asia
860-292442 - Cave diver in a karst underwater cave at a depth of 60 metres for the Gumbo La Baharini 2 expedition, Passe Bateau Sud at a depth of 60 metres, Mayotte
860-292443 - Tek rebreather diver at a depth of 70 meters with a DPV specially equipped with 60,000 lumen lighting and 12 Gopro to carry out a 3D survey of a karstic cave submerged for over 14,000 years, Passe Bateau Sud, Mayotte Lagoon
860-292440 - Cave diver in an underwater cave of karstic origin at a depth of 75 meters during the Gumbo La Baharini 2 expedition, which aimed to produce a complete 3D model of this karstic cave using photogrammetry. Passe Bateau Sud, Mayotte lagoon
1245-3369 - Chapel of Panagia Sarantaskaliotissa at the entrance to The Cave of Pythagoras, Mount Kerkis, Samos Island, North Aegean, Greek Islands, Greece, Europe
1245-3368 - Chapel of Panagia Sarantaskaliotissa at the entrance to The Cave of Pythagoras, Mount Kerkis, Samos Island, North Aegean, 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
832-404233 - Mount Aizkorri 1523 meters, the highest in Guipuzcoa. Basque Country. Ascent through San Adrian and return through the Oltza fields. Interior of the cave of San Adrian
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
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
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
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