Indian subcontinent has interesting geological features and exotic collection of Geo-Heritage Sites for geo tourism in the country. Geological Survey of India has declared 26 sites, located in different parts of the country as National geological Monuments, few of them are Fossil Wood Park,Shivalik Fossil Park, pyroclastic rocks,Nepheline syenite,Great Boundary Fault,Meghalaya Caves and Jhamarkotra Stromatolite. The list contains National geological monuments of India as well as few geological wonders.
* Rama SetuRama Setu is also known as Sethusamudram should be considered as a national monument and the symbol of national unity in India. This ancient bridge of 30 km long separates the Palk Strait with Gulf of Mannar and should declared as a national monument of Bharat.
* Pillar RocksPillar Rocks of Kodaikanal are a set of three giant rock pillars which stand 400-foot-high vertical column in Kodaikanal forest. These cascading rocks lie above the valley are the main attractions at Kodaikanal including Kodaikanal Lake,Pine Forest and Guna Caves.
* Peninsular GneissPeninsular Gneiss is one of the older gneissic complex and identified one of the best exposures of this rock mass. The famous Lalbagh gardens of Bangalore city has declared it as a National Geological Monument and called as the Lalbagh rock.
* Pillow Lava StonesPillow basalt lava structures of Karnataka is located in Maradihalli Near Chitradurga. The Pillow Lava are world’s oldest rocks and one of the best preserved Pillow Lava surviving in the world.
* Natural ArchTirumala hills Natural Arch also called as Sila Thoranam Natural Arch is one of the most distinctive geological feature in India. Natural Arch of Tirumala is one of the few natural arches or bridges in Asia and one of the top 26 Geological Wonders of India.