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Watkins Glen State ParkWatkins Glen State Park
Basalt organ pipes on the Szent György (St. George) Hill
Natural stone bridges. Created without human intervention. A unique attraction
canyon, mountain gorge, sun, dagestan, Karadakh narrows, caucasus
Old railroad tunnel on Olympic discovery trail
Autumn landscape, nature in the mountains in autumn, rocks, mountains, hills. Landscape with rock in forest.
Catacombs Cave at Lava Beds National Monument in California, USA.
Sopot waterfall near Buzet in Istra, Croatia
Cave or grotto, view from the outside. Mountainous terrain. Rocks and vegetation.
Bacho Kiro cave, Bulgaria - September 10, 2021: Sculpture at the entrance of Bacho Kiro cave near Dryanovo monastery.
Calcareous slope in Costa Rica
Beautiful 11 mile canyon in Colorado
Muriwai Grotto - New Zealand
road in a cement chalk Quarry
Marble mining plant at the east of the island. White stone in blocks and gravel. Seaside of the Thracian sea. Porto Vathy, island Thassos (Thasos), Greece.
Hole in the ground formed naturally, The mystery of nature
An angled view from inside a cave, looking out towards a lush forest scape of green trees
Small Karst Features
On a remote beach in Far North Queensland = layers are revealed after stormy seas shifted the sands.
Decaying seawall on estuary in Seattle WA
Abandoned Monteponi Mine - Sardinia - Italy
blocks of limestones in a quarry.
columnar basalt rock, Cape Stolbchaty on Kunashir Island, in the foreground bases of lava basalt columns form a kind of pavement
Tarr Steps is a 55 metre long clapper bridge of 17 spans, across the River Barle. The bridge is probably medieval in origin, possibly formalising an earlier prehistoric crossing place.
Pictured Rocks NL - Tumbling Trees
A narrow cove leads to a sea cave.
Exploration of mountain caves during tourist hikes.
horizontal abstract shot of stone in Tenerife, rocky background.
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