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A metal barrier and warning sign mark the entrance to the Balconies Cave in the lava formations of Pinnacles National Park.
Phong Nha Cave is a cave in Phong Nha-Ke Bang National Park, a UNESCO World Heritage Site in Quang Binh province.
Stick Tomato Cave in Naracoorte - Australia
Wide-angle view of Strada della Forra (Road of the Gorge). As the name says, a scenic road crossing a narrow gorge nearby Lago di Garda (Lake Garda), in the north of Italy, nestled in the depths of a mountain, along the rift carved by the waters of the river Brasa. Diffused light coming from the top of the crevice, high, looming walls of rock, a low tunnel cutting through the mountain, a stone kerb. Palette based on yellow and rich earthy tones, with hints of green. High level of detail, natural rendition, realistic feel. Developed from RAW.
Photograph of the walking track and forest looking out of the entrance to Yarrangobilly Caves near Talbingo in Kosciuszko National Park in the Snowy Mountains in Australia
July and August -1986, old Positive Film scanned, Tourists are going to adventure Marble Arch Caves, Enniskillen,  Northern Ireland.
Unique underground geology of  stalactites and stalagmites.
Sterkfontein, South Africa - November 22, 2011: Sterkfontein is a set of caves in Gauteng province, with special interest to paleo-anthropologists. The area is known as the Cradle of Humankind.
Khao luang cave is the biggest cave in Thailand
View of a Salt Mine Cave next to the Salt formations in Garmsar of Iran
Engelbrecht Cave - South Australia
Wide-angle view of Strada della Forra (Road of the Gorge). As the name says, a scenic road crossing a narrow gorge nearby Lago di Garda (Lake Garda), in the north of Italy, nestled in the depths of a mountain, along the rift carved by the waters of the river Brasa. Diffused light coming from the top of the crevice, high, looming walls of rock, a low tunnel cutting through the mountain, a stone kerb. Palette based on yellow and rich earthy tones, with hints of green. High level of detail, natural rendition, realistic feel. Developed from RAW.
a tunnel digged in the rock. Italian Alps
a small cave in the rock reef that call cerme cave  in gunung kidul jogjakarta
Visit to the mammoth cave in the Chatyr-Dag mountain range of Crimea.
Dublin, Ireland - July 16, 1986: 1980s old Positive Film scanned, Escape Tunnel of Blarney Castle, medieval stronghold, County Cork, Ireland.
A man ascends a dark staircase into the bright light above.
Antakya Turkey; November 27, 2022: Besikli Magara. Turkish meaning: Besikli Cave in Samandag, Hatay - Turkey.
Interesting rock formations at Truitjieskraal in the Cederberg Wilderniss Area, Western Cape, South Africa
Father and son exploring caves in Tınaztepe,Konya.
Ancient plane tree of the thirteenth century in Kitab
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Zhoukoudian National Archaeological Site Park, Fangshan District, Beijing, China
Woman crawling through small opening in Los Corales, Galaxies Cave, surrounded by fossilized algae from when the land around Uyuni salt flats and Chuvica village was under the sea, Chuvica village, Southwest Highlands, Bolivia, South America
Scalinata nella roccia
High angle view of Golden Gate bridge from North side in San Francisco during springtime day.
Jenolan acrh and caves in Blue mountains, Australia.
Horizontal landscape photo of spectacular underground limestone rock formations, lit up by lights, inside the Wombeyan Caves in a reserve in the countryside near Goulburn, NSW.
Entrance to the Areni-1 Cave, a 6100-year-old Winery Discovered in this Cave, the Village of Areni in Vayots Dzor Province of Armenia, 5th Oct 2019
Daglı sinkhole, Kastamonu, Turkey
Free Images: "bestof:Entrance, Wombeyan Caves.jpg a collection of historical pictures in the Public Domain from the Powerhouse Museum Flickr-Powerhouse-Museum-image http //www"
Watering_stock_from_The_Powerhouse_Museum_Collection.jpg
Stock_watering_tanks,_Hunter_River_district_from_The_Powerhouse_Museum_Collection.jpg
Cave entrance naracoorte south Australia.jpg
Cave basalt formation.jpg
Front entrance to the British museum in London England.jpg
Leighton-Stitching_the_Standard.jpg
Stitching the Standard (Leighton).jpg
Crystal cave.jpg
Keshcorran caves.jpg
Keshcorran caves cliffs.jpg
Ice cave.jpg
Icy statue.jpg
Castle entrance.jpg
Basalt cave entry.jpg
Ice cave hole.jpg
Ice caves scenic monument.jpg
Ice cave underground.jpg
Keshcorran caves near carrowkeel.jpg
Stalactites in cave.jpg
Mining path.jpg
Entrance with stained glass.jpg
Beautiful crystal cave.jpg
Jammed mining path.jpg
Ruined temple entrance Xochicalco.jpg
Church tower entrance.jpg
Porirua New Zealand harbour entrance.jpg
Akun island columnar basalt cave.jpg
Cave habitat natural cave habitat.jpg
Cave south Australia.jpg
Crystal cave nature.jpg
Crystal caves in dark.jpg
Limestone formations in cave.jpg
Entrance to Lacassine national wildlife refuge.jpg
Two headlands at porirua harbour entrance.jpg
Entrance to centro vacacional oaxtepec.jpg
Entrance to Chinatown in Los Angeles.jpg
Betatakin at Navajo national monument.jpg
Betatakin cliff dwellings Navajo national monument.jpg
Cave underground limestone formations.jpg
Old iron work on entrance door.jpg
Entrance gate metal gate.jpg
Entrance sign for swan lake.jpg
Gfp-florida-daytona-beach-entrance-into-the-beach.jpg
Mark Smith library entrance.jpg
Cave keshcorran caves near carrowkeel in Ireland.jpg
Entrance to the Yosemite valley.jpg
Entrance plaza centro vacacional de oaxtepec.jpg
Working entrance castlemartin stud kilcullen co kildare.jpg
Person inside cave.jpg
Black footed ferret at borrow entrance investigating scientific equipment.jpg
Fountain anthropological museum.jpg
Front steps leading up to the entrance of house.jpg
Nordic museum.jpg
Cave interior flowing water with low ceiling and many small stalactites.jpg
Cave interior waterway with arched ceiling and flowing water in channel.jpg
Entrance gate big gate from metal pipes.jpg
Markings on an historical wood.jpg
Lake floatplane wake.jpg
Kotzebue, Alaska.jpg
Teddy bear toys collection.jpg
Caribou near city farms.jpg
Lynx in museum.jpg
Fountain near the museum.jpg
Museum of economic botany.jpg
Ships at maritime museum.jpg
Beautiful view of the ocean through and entrance in the dunes.jpg
Eagle statue in museum.jpg
Statue in museum.jpg
Manatee sirenia animal in museum.jpg
Entrance sign to the big branch marsh national wildlife refuge.jpg
Lunch on a wing.jpg
Museum of man.jpg
Garbage truck.jpg
Museum of economic botany adelaide garden.jpg
Skyline seen from the maritime museum.jpg
Aerial view of brooks range Alaska.jpg
Alaska range small waterfall on river.jpg
Egegik Village on the Alaska Peninsula.jpg
Aboriginal art Adelaide museum south Australia.jpg
Allison v 1710 vee 12 engine at Smithsonian museum.jpg
An alq 184 jammer pod usaf museum.jpg
Church in winter scenic.jpg
Historical photos man in the tall grass.jpg
Atlas icbm at strategic air space museum Nebraska.jpg
Wooden signpost at the crossroads.jpg
Kasatochi Island, Alaska Maritime NWR.jpg
180 Cessna waterplane.jpg
B 25 in doolittle Tokyo raiders diorama at usaf museum.jpg
Junkers ju 88d with fritz x glide bomb at usaf museum.jpg
Battle reenactment at the San Deigo maritime museum.jpg
Midway aircraft carrier at the San Diego maritime museum.jpg
Moai statue at the la natural history museum.jpg
The-city-of-philadelphia-from-the-art-museum-steps.jpg
Trout cutthroat fish oncorhynchus clarkii clarkii.jpg
Delhi sands flower loving fly rhaphiomidas terminatus abdominalis.jpg
Phrynosoma hernandesi short horned lizard.jpg
Girl scouts in nature.jpg
Aeroplane in hangar.jpg
Douglas dc 3 plane.jpg
Martin B 10 plane.jpg
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