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Thousands of Egyptian Fruit Bats or Egyptian Rousettes roost and fly in massive, tightly packed groups and in a cave in Queen Elizabeth National Park.
Light at the end
Mammoth Cave NP - 1999. Scanned from Kodachrome 64 slide.
View from inside of Algar do Carvão cave, inside an extinct volcano,  in Terceira  island , Azores archipelago.
Journey through a vibrant cave adorned with colorful walls, stalactites, and stalagmites, revealing the underground beauty of nature's geological wonders.
Moss covered rocks in Nimara Cave in Marmaris, Turkey
mountainous wall detail with moss
Scenic view of Neptune's cave. Sardinia. Italy
The interior view of the natural and historical cave of Karaftu and the place of human habitation in ancient times in the Kurdistan province of Iran
석회암 동굴의 벽 VD702
Summer in Louisville, Kentucky.
Lehman Cave in Great Basin National Park, near Baker Nevada. In the Snake Mountain Range which contains limestone. Shield formation which are rare.
Near Huntsville Alabama, Stephens Gap is a well known spot for cavers.  The backlighting created a nice unrecognizable silhouette of the person descending into the cave. The waterfall and sun rays create a wonderful scene.
A serene landscape featuring rocky formations, the expansive lake, and trees, captured on a rainy day.
Sunlight in a cave in the Mark Twain National Forest looking up into the forest canopy to see greenery.
Caverns located in the Chihuahuan Desert and stunning treasures. They contain stalagmites and stalactites formed from dipping waters. They can form quickly or whereas limestone may take thousands of years.
A Cave System located in Bonnechere Ontario Canada, West of Ottawa
Kaklik Cave in Denizli, Turkey. Kaklik Cave water is used for health purposes in Denizli, it contains sulphur
A stunning view of a lush valley, seen from a cave with green trees and rocky terrain below
Wooden walkway leading into a narrow cave passage, next to a vertical rock wall at Pokljuka gorge in Gorenjska, Slovenia
Photo taken in Beius, Romania
An underground pool reflects stalactites above it bathed in a surreal light.
Landscape and Barbary macaques in Gibraltar
Mushroom texture
this photo is from my trip to edessa in greece!!!
View of stalactites and stalagmites in cave.
On the West Coast an image captured at the Moria Gate Arch- Oparara Basin. A walk to the arch in the Oparara Basin is through some stunning scenery, the rainforest is an enchanted wonderland; a large variety of mosses in all shades of green cling to and drape off every available trunk, branch & twig. Soft green ferns cover the forest floor and taller tree ferns spread their feathery fronds overhead.
Deep underground cave exploration of Karst cave \
Image of View at cave opening with forest light and large boulders with lone tree trunk
nature abstract concept
Free Images: "bestof:Fern Cavern 1.jpg en Fern cavern in Collingwood Scenic Caves Nature Adventures Ontario Canada Own 2006-07-01 Share Bear Own work all rights released Public"
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