Prohodna Cave, Natural cave formation in Karlukovo, Bulgaria.
The cave stretches 365 meters through limestone rock, featuring two large entrances at opposite ends and reaching heights of up to 45 meters.
Archaeological findings reveal human settlements within the cave dating back to the Neolithic and Chalcolithic periods, indicating long-term prehistoric occupation.
The cave ceiling contains two symmetrical openings that form the shape of eyes, which local residents refer to as the Eyes of God.
Visitors can access the cave through a designated parking area near the Small Entrance, with guided tours available to explore its geological formations.
The cave walls provide numerous climbing routes across different sectors, including areas named Pop Folk, Hip Hop, and Black Metal.
Location: Karlukovo
Location: Bosnek
Length: 10 m
GPS coordinates: 43.17580,24.07310
Latest update: May 26, 2025 21:39
Geological forces have carved openings, arches, and caves into rock formations across continents through millions of years of erosion. Water, wind, and weathering have shaped these natural structures from various rock types, creating landmarks that reveal the Earth's ongoing transformation. The formations appear in diverse environments, from coastlines where ocean waves carve passages through limestone cliffs to desert regions where wind erosion creates openings in sandstone walls. This collection spans locations such as Durdle Door along England's Jurassic Coast, where a 200-foot (60-meter) arch rises from layers dating to the Mesozoic era. The Faraglioni Rocks off Capri reach heights of 360 feet (109 meters) and include a natural passage navigable by boat. In landlocked regions, formations like the Eyes of God in Bulgaria's Prohodna Cave display symmetrical ceiling openings where sunlight penetrates the rock. Desert sites such as Las Ventanas in Argentina's Andes showcase wind-carved arches in remote sandstone landscapes. Each location offers direct evidence of erosion processes that continue shaping these geological features, from readily accessible coastal points to isolated areas requiring significant travel to reach.
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