Nellitheertha Cave Temple
Nellitheertha Cave Temple in Nellitheertha, Karnataka, India is dedicated to the Indian deity Somanatheshwara, or Shiva. The temple dates back to at least 1487 CE. To the right of the temple is a natural cave, about 200 metres (660 ft) long.
Source: Wikipedia — Nellitheertha Cave Temple (CC BY-SA 4.0)