Pag Triangle is a worldwide phenomenon that was found in May 1999. by Zadar Zdenko Grbavac from Zadar. An unusual imprint in the rocks was found on the hill Tusto čelo, northwest of the town of Pag, near the ferry port Zigljen. It is a phenomenon that attracts the attention of the faithful, alternative history and the UFO investigators. 
Based on geological studies, it was foung that the rocks inside the triangle are brighter than those outside the triangle, and that after exposure to ultraviolet light, emit red. The red color is evidence that the rocks inside the triangle have been thermally treated.
It is presumed that this imprint appear 12 000 years ago. To the Pag triangle it is relatively easy to come because the port Žigljen and other roads around Novalja, signposts indicating the direction of the hill Tusto čelo. Pag triangle, in just three years since its discovery, has been visited by more than 30 000 people from around the world. To find more, read the book The Secret of the triangle, Joseph Portada.