Grotto of Saint Onuphrius - Credit: Wikimedia Commons
The Grotto of Saint Onuphrius () is a unique geological monument of nature, archeology, and history of the left bank of Middle Podnistrovia. It is in Ulashkivtsi in the Nahirianka hromada, Chortkiv Raion, Ternopil Oblast. Read more on Wikipedia
Source: en.wikipedia.org