The Berca Mud Volcanoes are a unique geological phenomenon located in Romania. These volcanoes are not true volcanic structures but rather mud and gas eruptions that create small cones and craters. The mud is formed from a mixture of water, clay, and natural gases, primarily methane, which rise to the surface, creating a bubbling effect. Visitors to the Berca Mud Volcanoes can observe the fascinating landscape, which features small mud pools and cones that continuously change shape. The area is also home to various plant species that have adapted to the harsh conditions created by the mud and gas emissions, making it a remarkable site for both nature lovers and geologists.