"Batu Caves (Tamil: பத்து மலை), is a limestone hill, which has a series of caves and cave temples, in the Gombak district, north of Kuala Lumpur, Malaysia.. The limestone forming Batu Caves is said to be around 400 million years old. The cave is one of the most popular Hindu shrines outside India, dedicated to Lord Murugan."
Texas is blessed with some of the nations most interesting "show" caves and thousands of "wild" caves throughout the state. Because of the varying geographical regions and features of Texas, you could literally tour the entire state by jumping from cave to cave.